Norse / English / Irish / Saxon / Frisian / Latin / scholarship / bibliography
Old Norse editions [top] [bibliography]
poetry and related | ||
title | description | formats |
Poetic Edda (Konungsbók) | A standard edition of the Eddukvæði based on Codex Regius. Ed. Finnur Jónsson. | |
Sólarljóð | A Christian dream vision in verse. Ed. Ólsen. | |
Prose Edda (Konungsbók) | A standard edition of Snorra Edda, based mainly on Codex Regius. Ed. Finnur Jónsson. | |
Prose Edda (Trektarbók) | Based on Codex Trajectinus. The sections of this copy (introduction, text, and theses) have been mixed up in the binding process; we have left this unchanged. Ed. Van Eeden Jr. | |
Prose Edda, vol. 2 (Ormsbók, Uppsalabók) | This second volume of the tripartite edition is downloadable in a single file or as separate texts: introduction, manuscript introduction to the grammatical treatises, First Grammatical Treatise, Second Grammatical Treatise, Third Grammatical Treatise, Fourth Grammatical Treatise, Uppsala Edda; fragments of Eddic material in Jón's extended sense: AM748, Orms-Edda fragment, AM757, AM1εβ, Laufáss-Edda, fragment concerning the old faith, corrigenda. Each of the grammatical treatises is accompanied by a facing neo-Latin translation. Ed. Jón Sigurðsson. | |
Hugsvinnsmál | A verse translation of the Disticha Catonis. Ed. Gering. | |
Lilja | A fourteenth-century Christian poem by Eysteinn Ásgrímsson. Ed. Finnur Jónsson. | |
Skáldatal / Recensus poëtarum | Enumeration of the skalds, with facing neo-Latin translation. Ed. Jón Sigurðsson, vol. 3. | |
Skjaldedigtning vol. A1 | An edition of much of the extant skaldic poetry. The A volumes represent a loose diplomatic edition. Ed. Finnur Jónsson. | pdf, print |
Skjaldedigtning vol. A2 | An edition of much of the extant skaldic poetry. The A volumes represent a loose diplomatic edition. Ed. Finnur Jónsson. | pdf, print |
Skjaldedigtning vol. B1 | An edition of much of the extant skaldic poetry. The B volumes represent a normalised edition and Danish translation. Ed. Finnur Jónsson. | pdf, print |
Skjaldedigtning vol. B2 | An edition of much of the extant skaldic poetry. The B volumes represent a normalised edition and Danish translation. Ed. Finnur Jónsson. | pdf, print |
Rímnasafn vol. 1 | Early Icelandic rímur. Ed. Finnur Jónsson. | |
Fernir forníslenskur Rímnaflokkar | Lokrur, Þrymlur, Griplur, Völsungsrímur. Ed. Finnur Jónsson. | |
Den vises sten | A fourteenth-century poem. Ed. Geete. | |
scholarly and instructive works | ||
title | description | formats |
Alfræði íslenzk I: Codex AM 194, 8vo | The first volume in the series Alfræði íslenzk, an initiative to publish the encyclopaedic works of early Iceland. This volume is a complete edition of the manuscript AM 194, 8vo, now in the Arnemagnæan collection in Copenhagen. The manuscript covers various scholarly topics, from geography to medicine. Ed. Kålund. | pdf, print |
Alfræði íslenzk II: Rímtöl | This volume contains the three Icelandic computistical treatises, concerned with both ecclesiastical and practical aspects of time-reckoning. Ed. Kålund, with a lengthy introduction on medieval time-reckoning by Beckman. | pdf, print |
Alfræði íslenzk III: Landalýsingar et al. | This third volume of Alfræði íslenzk contains the encyclopaedic treatise Landalýsingar according to the fourteenth-century Rímbegla manuscript AM 731, 4to, as well as a number of shorter and fragmentary encyclopaedic writings from AM 624, 4to; AM 415, 4to; AM 732b, 4to; AM 736 II, 4to; GKS 1812, 4to; AM 685d, 4to; AM 696 II, 4to; AM 736 III, 4to; AM 431, 12mo; AM 731, 4to; AM 435, 12mo; AM 461, 12mo; and AM 350, folio. AM 696 II, 4to is accompanied by a Danish translation. Ed. Kålund. | pdf, print |
Grágás: Konungsbók | Early Icelandic law in written form. Ed. Vilhjálmur Finsen. | |
Grágás: Skálholtsbók et al. | Early Icelandic law in written form. Ed. Vilhjálmur Finsen. | |
Hauksbók | One of the large Old Icelandic manuscripts edited in its entirety, often (but controversially) associated with the encyclopaedic tradition. This file is a mirror of the scan provided by Sagnanetið but in a portable format. Ed. Finnur Jónsson. | pdf, print |
Konungs skuggsjá | A work written as an instruction of monarchs, specifically King Magnús Hákonarson. Ed. Brenner. | |
Leiðarvísir | Abbot Nikulás Bergsson's description of the road to Jerusalem. Published with a neo-Latin introduction, notes, and facing translation as Symbolae ad geographiam medii aevi, this was the first modern edition of the treatise. Editions are also to be found in Alfræði Íslenzk 1, Simek's Altnordische Kosmographie (with a German translation), and the 1988 Skýringar og fræði volume of Sturlunga saga. We will attempt to improve the quality of this scan once we get the opportunity. Ed. Werlaupp. | |
Third Grammatical Treatise | Ed. Finnur Jónsson. | |
historiography and biography | ||
title | description | formats |
Alexanders saga | The deeds of Alexander the Great. Includes the Old Norse translation of the medieval Epistola Alexandri ad Aristotelem as an appendix. Ed. Finnur Jónsson. | |
The Icelandic Annals | The standard edition of the annals. Ed. Gustav Storm. | |
Fagrskinna | An early thirteenth-century history of the kings of Norway, used by Snorri in the composition of his Heimskringla. Ed. Finnur Jónsson. | |
Heimskringla | Snorri Sturluson's history of the kings of Norway. Ed. Finnur Jónsson. | |
Knýtlinga saga | This volume, entitled Sögur danakonunga, contains a fragmentary account of the Danish kings based on mss AM 1εβ, fol., and AM 1d α, fol., alongside Knýtlinga saga, based mainly on AM 20 b I, fol. Eds. Carl af Petersens and Emil Olson. | |
Morkinskinna | A thirteenth-century history of the kings of Norway, spanning ca. 1025-1157. Based on MS GKS 1009 fol. Ed. Finnur Jónsson. | |
Saga Óláfs Tryggvasonar | The saga of Óláfr Tryggvason, king of Norway 995-1000. Ed. Finnur Jónsson. | |
Trojumanna saga hin forna | Greek mythology. Ed. Jón Sigurðsson. A longer version of this text may be found in Hauksbók pp. 193-226. | |
theology and hagiography | ||
title | description | formats |
Icelandic Homily Book | Ed. Wisén. A more recent, uncritical edition of the Homily Book is available elsewhere as part of the Concordance to the Homily Book provided by Orðabók Háskolans. | |
Stjórn | An Old Norse commentarised paraphrase of the first books of the Old Testament. This file is a mirror of the scan provided by Sagnanetið but in a portable format. Ed. Unger. | pdf, print |
sagas of icelanders and related | ||
title | description | formats |
Egils saga | The story of Egill Skalla-Grímsson. Ed. Finnur Jónsson. | |
Gísla saga Súrssonar | One of the well-known outlaw sagas. Ed. Finnur Jónsson. | pdf, print |
Ölkofra þáttr | A short story dealing with a legal dispute over a forest fire. This file is a mirror of the scan provided by Sagnanetið but in a portable format. Ed. Gering | |
legendary sagas and romances | ||
title | description | formats |
Clári saga | Eds. Cederschiöld, Gering, and Mogk. | |
Flóres saga ok Blankiflúr | Eds. Cederschiöld, Gering, and Mogk. | |
Ívens saga | Eds. Cederschiöld, Gering, and Mogk. | |
Örvar-Odds saga | Ed. Boer | |
Völsunga saga | This edition (ed. Wilken) goes on some way into what other editors have considered Ragnars saga. |
Old English editions [top] [bibliography]
title | description | formats |
The Exeter Book (incomplete edition), the Metres of Boethius, Solomon and Saturn, and the Psalms. | An incomplete edition of one of the four major manuscripts of Old English poetry, alongside three separate works. This edition contains Christ, Guthlac, The Phoenix, Juliana, The Gifts of Men, The Fortunes of Men, The Order of the World, The Riming Poem, The Panther, The Whale, The Partridge, Judgement Day I, The Descent into Hell, Alms, Pharao, numerous riddles, the Metres of Boethius, Salomon and Saturn, and the Psalms. Two volumes in one file. Ed. Assmann. | |
The Leiden Glossary | An Anglo-Latin glossary, edited according to MS Voss. 4to Lat. 69. Ed. Hessels. | |
Two of the Saxon Chronicles Parallel | The Anglo-Saxon Chronicle in its A (Parker) and E (Laud) redactions, with excerpts from the complementary manuscripts. Eds. Earle and Plummer. The glossary is also available as a separate pdf here. |
Old Irish editions [top] [bibliography]
title | description | formats |
Auraicept na n-éces: The Scholars' Primer | An Old Irish grammatical treatise. Ed. and trans. Calder. | |
Imtheachta Æniasa: The Irish Æneid | Ed. and trans. Calder. | |
Caithreim Cellachain Caisil: The Victorious Career of Cellachan of Cashel | An account of the Norse-Irish wars. Ed. and trans. Alexander Bugge. |
Old Saxon editions [top] [bibliography]
title | description | formats |
Heliand | The Old Saxon gospel. Ed. Sievers. Also available here in double the resolution. | |
Bruchstücke der altsächsischen Bibeldichtung. | Heliand ll. 1297-1358 and the fragmentary Genesis. Eds. Zangemeister and Braune. |
Old Frisian editions [top] [bibliography]
title | description | formats |
Altfriesisches Lesebuch | A selection of texts with grammar and glossary. Ed. Heuser. |
Latin editions [top] [bibliography]
title | description | formats |
De excidio Troiae | A late antique work on the destruction of Troy, attributed to a Trojan named Dares Phrygius. Ed. Meister. | |
Gesta Hammaburgensis ecclesiae pontificum | Adam of Bremen's history and geography of the archbishopric of Hamburg-Bremen. Ed. Schmeidler. |
scholarship [top] [bibliography]
author | title | formats |
Balg, G.H. | A Comparative Glossary of the Gothic Language | |
Benedikt Gröndal Egilsson | Clavis poëtica antiquae linguae septemtrionalis | img, pdf, html, print |
Bilfinger, Gustav | Untersuchungen über die Zeitrechnung der alten Germanen | |
Bosworth, Joseph, and T. Northcole Toller, eds. | An Anglo-Saxon Dictionary | pdf, print 1,2 |
Bosworth, Joseph, and T. Northcole Toller, eds. | An Anglo-Saxon Dictionary: Supplement | pdf, print |
Dietrich, Eduard | “Abt Aelfrik [I]” | |
Dietrich, Eduard | “Abt Aelfrik [II]” | |
Finnur Jónsson | Den islandske grammatiks historie til o. 1800 | |
--- | Grammatik for det islandske oldsprog | |
--- | Ordbog til rímur | |
Fiske, Willard | Chess in Iceland and in Icelandic Literature. | |
Gallée, Johan Hendrik | Altsächsische Grammatik. | |
Ginzel, F.K. | “Altgermanische (nordische) und keltische Zeitrechnung” | |
Grön, F. | Altnordische Heilkunde | |
Holthausen, F. | Altsächsisches Elementarbuch, 2nd rev. ed. | |
De Leeuw van Weenen, Andrea. | Grundwortschatz Altisländisch | |
Lewis and Short, eds. | A Latin Dictionary | |
Meissner, Rudolf | Die Kenningar der Skalden | pdf, print |
Noreen, Adolf | Altisländische und altnorwegische Grammatik | html, pdf |
Noreen, Adolf | Altschwedische Grammatik | |
Olmer, Emil | Boksamlingar på Island 1179–1490 | |
Plater, W.E., and H.J. White | A Grammar of the Vulgate | |
Ramelius, Erich | Berserkus furorque berserkicus | |
Sveinbjörn Egilsson and Finnur Jónsson | Lexicon poeticum antiquæ linguæ septentrionalis, 1st ed. (1913-16) | img, pdf, html |
Sveinbjörn Egilsson and Finnur Jónsson | Lexicon poeticum antiquæ linguæ septentrionalis, 2nd ed. (1931) | img, pdf, html |
Wimmer, Ludvig F.A | Oldnordisk formlære til skolebrug |
bibliography [top]
Assmann, Bruno, ed. Die Handschrift von Exeter, Metra des Boetius, Salomo und Saturn, die Psalmen. Bibliothek der Angelsächsischen Poesie 3. Ed. Richard Paul Wülker. Leipzig: Wigand, 1898. [pdf]
Balg, G.H., ed. A Comparative Glossary of the Gothic Language: With Especial Reference to English and German. Halle: Niemeyer, et al. 1887-9. [pdf]
Beckman, Natanael, and Kristian Kålund, eds. Alfræði íslenzk II: Rímtöl. Copenhagen: Møller, 1914-16. [pdf, print]
Bilfinger, Gustav. Untersuchungen über die Zeitrechnung der alten Germanen. Vol. 1: Das altnordische Jahr. Stuttgart: Carl Liebich, 1899. [pdf]
Boer, R.C., ed. Ǫrvar-Odds saga. Altnordische Saga-Bibliothek 2. Halle: Niemeyer, 1892. [pdf]
Bosworth, Joseph, and T. Northcote Toller, eds. An Anglo-Saxon Dictionary. Oxford: Oxford UP, 1898. [pdf, print 1,2]
Bosworth, Joseph, and T. Northcote Toller, eds. An Anglo-Saxon Dictionary: Supplement. Oxford: Oxford UP, 1921. [pdf, print]
Brenner, Oscar, ed. Speculum regale: Ein altnorwegischer Dialog. Munich: Christian Kaiser, 1881. [pdf]
Bugge, Alexander, ed. and trans. Caithreim Cellachain Caisil: The Victorious Career of Cellachan of Cashel. Christiania [Oslo]: Gundersens, 1905. [pdf]
Calder, George, ed. and trans. Auraicept na n-éces: The Scholars´ Primer. Edinburgh: John Grant, 1917. [pdf]
---, ed. and trans. Imtheachta Æniasa: The Irish Æneid. Irish Texts Society 6. London: Nutt, 1907. [pdf]
Cederschiöld, Gustaf, Hugo Gering, and Eugen Mogk, eds. Clári saga. Altnordische Saga-Bibliothek 12. Halle: Niemeyer, 1907. [pdf]
---, eds. Flóres saga ok Blankiflúr. Altnordische Saga-Bibliothek 5. Halle: Niemeyer, 1896. [pdf]
---, eds. Ívens saga. Altnordische Saga-Bibliothek 7. Halle: Niemeyer, 1898. [pdf]
Dietrich, Eduard. “Abt Aelfrik: Zur Literatur-Geschichte der angelsächsischen Kirche [I].” Zeitschrift für die historische Theologie 25.4 (1855): 487–594. [pdf]
---. “Abt Aelfrik: Zur Literatur-Geschichte der angelsächsischen Kirche [II].” Zeitschrift für die historische Theologie 26.2 (1856): 163–256.
Earle, John, and Charles Plummer, eds. Two of the Saxon Chronicles Parallel: With Supplementary Extracts From the Others. Vol 1: Text, Appendices and Glossary. Oxford: Clarendon, 1892. [pdf]
Eeden, Willem van, Jr, ed. De Codex Trajectinus van de Snorra Edda. Diss. Leiden University 1913. Leiden: Eduard IJdo, 1913. [pdf]
Finnur Jónsson, ed. Alexanders saga. Copenhagen: Nordisk forlag, 1925. [pdf]
---, ed. De gamle Eddadigte. Copenhagen: Gads, 1932. [pdf]
---. De islandske grammatiks historie til o. 1800. Historisk-filologiske Meddelelser 19.4. Copenhagen: Levin and Munksgaard, 1933. [pdf]
---, ed. Den norsk-islandske skjaldedigtning. 4 vols. Copenhagen: Villadsen and Christensen, 1912-15. Photographic reprint Copenhagen: Rosenkilde and Bagger, 1967. [pdf: a1,a2,b1,b2; print: a1, a2, b1, b2]
---, ed. Egils saga Skallagrímssonar. 2nd ed. Altnordische Saga-Bibliothek 3. Halle: Niemeyer, 1924. [pdf]
---, ed. Eysteinn Ásgrímsson: Lilja. Íslensk smárit: Handa alþúðu 1. Ed. Bogi Th. Melsteð. Copenhagen: Møller, 1913. [pdf]
---, ed. Fagrskinna: Nóregs kononga tal. Copenhagen: Møller, 1902-8. [pdf]
---, ed. Fernir forníslenskur rímnaflokkar. Copenhagen: Møller, 1896. [pdf]
---, ed. Gísla saga Súrssonar. Halle: Niemeyer, 1903. [pdf, print]
---. Grammatik for det islandske oldsprog. Copenhagen: Gads, 1925. [pdf]
---, ed. Hauksbók. 3 vols. Copenhagen: Thieles bogtrykkeri, 1892-6. [pdf, print]
---, ed. Heimskringla: Nóregs konunga sögur. Copenhagen: Gads, 1911. [pdf]
---, ed. Morkinskinna. Copenhagen: Samfund til udgivelse af gammel nordisk litteratur, 1932. [pdf]
---, ed. Óláfr Þórðarson: Málhljóða- og málskrúðsrit. Copenhagen: Bianco Lunos, 1927. [pdf]
---, ed. Ordbog til de af Samfund til udg. af gml. nord. litteratur udgivne rímur samt til de af Dr. O. Jiriczek udgivne Bósarímur. Copenhagen: Jørgensen, 1926-28. [pdf]
---, ed. Rímnasafn: Samling af de ældste Islandske rimer. Vol. 1. Copenhagen: Møller, 1905-12. [pdf]
---, ed. Saga Óláfs Tryggvasonar. Copenhagen: Gads, 1932. [pdf]
---, ed. Snorra Edda Sturlusonar. Copenhagen: Gyldendalske boghandel and Nordisk forlag, 1931. [pdf]
Fiske, Willard. Chess in Iceland and in Icelandic Literature: With Historical Notes on Other Table-Games. Florence: The Florentine Typographical Society, 1905. [pdf]
Gallée, Johan Hendrik. Altsächsische Grammatik. 2nd ed. Samnlung kurzer Grammatiken germanischer Dialekte. Ed. Wilhelm Braune. Halle: Niemeyer; Leiden: Brill, 1910. [pdf]
Geete, Robert. Den vises sten: en hittils okänd rimdikt från 1300-talet. Stockholm: Kungliga boktryckeriet/Norstedt, 1900. [pdf]
Gering, Hugo, ed. Hugsvinnsmál: Eine altisländische Übersetzung der Disticha Catonis. Kiel: Kiel University, 1907. [pdf]
---, ed. Olkofra þattr. Halle: Verlag der Buchhandlung des Waisenhauses, 1880. [pdf]
Ginzel, F.K. "Altgermanische (nordische) und keltische Zeitrechnung." Handbuch der mathematischen und technischen Chronologie: Das Zeitrechnungswesen der Völker. Vol. 3. Leipzig: Hinrichs, 1914. 55-77 (incomplete chapter). [pdf]
Grön, F. Altnordische Heilkunde. Haarlem: Bohn, 1908. [pdf]
Heuser, Wilhelm, ed. Altfriesisches Lesebuch mit Grammatik und Glossar. Heidelberg: Carl Winter, 1903. [pdf]
Hessels, John Henry, ed. A Late Eighth-century Latin-Anglo-Saxon Glossary. Cambridge: Cambridge UP, 1906. [pdf]
Holthausen, F., ed. Altsächsisches Elementarbuch. 2nd rev. ed. Heidelberg: Carl Winter, 1921. [pdf]
Jón Sigurðsson, ed. Trojumanna saga hin forna. 1848. Reykjavík: Östlund, 1913. [pdf]
Kålund, Kristian, ed. Cod. Mbr. AM. 194, 8vo. Alfræði íslenzk 1. Copenhagen: Møller, 1908. [pdf, print]
---, ed. Landalýsingar m. fl.. Alfræði íslenzk 3. Copenhagen: Møller, 1917-18. [pdf, print]
De Leeuw van Weenen, Andrea. Grundwortschatz Altisländisch. Andrea de Leeuw van Weenen, 1999. [pdf republished here by the author’s permission]
Lewis, Charlton T., and Charles Short, eds. A Latin Dictionary. Oxford: Clarendon, 1879. [pdf]
Meissner, Rudolf. Die Kenningar der Skalden: Ein Beitrag zur skaldischen Poetik. Rheinische Beiträge und Hülfsbücher zur germanischen Philologie und Volkskunde 1. Eds. Theodor Frings, Rudolf Meissner, and Josef Müller. Bonn and Leipzig: Kurt Schroeder, 1921. [pdf], print]
Meister, Ferdinand, ed. Daretis Phrygii De excidio Trioae historia. Leipzig: Teubner, 1873. [pdf]
Noreen, Adolf. Altisländische und altnorwegische Grammatik. 4th rev. ed. Halle: Niemeyer, 1923. [pdf]
Noreen, Adolf. Altschwedische Grammatik. Halle: Niemeyer, 1904. [pdf]
Ólsen, Björn M., ed. Sólarljóð. Reykjavík: Gutenberg, 1915. [pdf]
Petersens, Carl af, and Emil Olson, eds. Sögur danakonunga. Copenhagen: Samfund til udgivelse af gammel nordisk litteratur, 1919-25. [pdf]
Olmer, Emil. Boksamlingar på Island 1179–1490. Göteborg: Zachrisson, 1902. [pdf]
Plater, W.E., and H.J. White. A Grammar of the Vulgate. Oxford: Clarendon, 1926. [pdf]
Ramelius, Erich. Berserkus furorque berserkicus. PhD diss. Uppsala, 18 June 1725. Uppsala: Werner, 1725. [pdf]
Schmeidler, Bernhard, ed. Magistri Adam Bremensis Gesta Hammaburgensis ecclesiae pontificum. 3rd ed. Scriptores rerum germanica in usum scholarum. Hannover and Leipzig: Hahnsche Buchhandlung, 1917. [pdf]
Sievers, Eduard, ed. Heliand. Halle: Verlag der Buchhandlung des Waisenhauses, 1878. [pdf]
Storm, Gustav, ed. Islandske Annaler indtil 1578. Christiania [Oslo]: Grøndahl & Søns, 1888. [pdf, print]
Sveinbjörn Egilsson, ed. Lexicon poeticum antiquæ linguæ septentrionalis. Copenhagen: Det kongelige nordiske oldskriftselskab, 1860. [img, pdf]
Sveinbjörn Egilsson and Finnur Jónsson, eds. Lexicon poeticum antiquæ linguæ septentrionalis: ordbog over det norsk-islandske skjaldesprog. Copenhagen: Det kongelige nordiske oldskriftselskab, 1913-16. [img, pdf, html]
Sveinbjörn Egilsson and Finnur Jónsson, eds. Lexicon poeticum antiquæ linguæ septentrionalis: ordbog over det norsk-islandske skjaldesprog. 2nd ed. Copenhagen: Møller, 1931. [img, pdf, html]
Unger, C.R., ed. Stjórn: Gammelnorsk bibelhistorie fra verdens skabelse til det babyloniske fangenskab. Christiania [Oslo]: Feilberg and Landmarks forlag, 1862. [pdf, print]
Vilhjálmur Finsen, ed. Grágás: Islændernes lovbog i fristatens tid. Copenhagen: Berling, 1852. Odense: Odense universitetsforlag, 1974. [pdf]
---. Grágás: Stykker, som findes i det Arnamagnæanske Haandskrift Nr. 351 fol. Skálholtsbók og en Række andre Haandskrifter. Copenhagen: Gyldendal and Møller, 1883. [pdf]
Werlaupp, M. Ericus Christianus, ed. Symbolae ad geographiam medii aevi. Copenhagen: Gyldendal, 1821. [pdf]
Wilken, Ernst, ed. "Völsunga saga." Die prosaische Edda im Auszuge nebst Völsunga saga und Nornagests-þáttr. 2nd rev. ed. vol 1: Text. Paderborn: Ferdinand Schöningh, 1912. [pdf]
Wimmer, Ludvig F.A. Oldnordisk formlære til skolebrug. 6th rev. ed. Copenhagen: Pios, 1905. [pdf]
Wisén, Theodor, ed. Homiliu-bók: Isländska homilier efter en handskrift från tolfte århundradet. Lund: Gleerups, 1872. [pdf]
Zangemeister, Karl, and Wilhelm Braune, eds. Bruchstücke der altsächsischen Bibeldichtung aus der Bibliotheca Palatina. Heidelberg: Koester, 1894. [pdf]