Editing Axel Olrik (section)

==Selected publications==
* ''Kilderne til Sakses oldhistorie: en literaturhistorisk undersøgelse'' Volume 1 ''Forsøg pa en tvedeling af kilderne til Sakses oldhistorie''. Copenhagen: Wroblewski, 1892 {{OCLC|163079555}}. Volume 2 ''Sakses oldhistorie, norrøne sagaer og Danske sagn''. Copenhagen: Wroblewski, 1894 {{OCLC|791764264}} (based on his dissertation)
* (with Ida Falbe-Hansen). ''Danske Folkeviser i Udvalg''. 2 vols. Copenhagen: Gyldendal, 1899, 1909 {{OCLC|788836874}}
* ''A Book of Danish Ballads''. Tr. E. M. Smith-Dampier. 1939. Repr. Granger index reprint series. Freeport, New York: Books for Libraries, 1968. {{OCLC|296014}} (translation of above)
* ''Om Ragnarok''. Volume 1 Copenhagen: Gad, 1902, first printed in ''Årbøger for Nordisk Oldkyndighed og Historie'' 1902, pp.&nbsp;157&ndash;291. {{OCLC|787545101}}. Volume 2 ''Ragnarokforestillingernes udspring'', first printed in ''Danske Studier'' 1913. {{OCLC|66588720}} 2 vols. Copenhagen: Gad, 1914. {{OCLC|3753257}}
* ''Danmarks heltedigtning: en oldtidsstudie'' Volume 1 ''Rolf Krake og den ældre Skjoldungrackke'' Copenhagen: Gad, 1903 {{OCLC|312510407}}. Volume 2 ''Starkad den Gamle og den yngre Skjoldungrække''. Copenhagen: Gad, 1910 {{OCLC|312510893}} (Remaining 5 volumes not completed; notes held at the Danish folklore archive)<ref name=DBL/>
* "Episke love i folkedigtningen". ''Danske Studier'', 5 (1908): 69-89 (https://web.archive.org/web/20160309204457/http://danskestudier.dk/materiale/1908.pdf). Olrik expressed the same ideas in German in 'Epische Gesetze der Volksdichtung', Zeitschrift für deutsches Altertum und Deutsche Literatur, 51 (1909), 1–12, which was translated into English as '[[Epic Laws of Folk Narrative]]', in The Study of Folklore, ed. by [[Alan Dundes]] (Englewood Cliffs, N.J.: Prentice-Hall, 1965), pp. 129–41 {{OCLC|523555}}
* ''Nordisk Åndsliv i Vikingetid og tidlig Middelalder''. Copenhagen: Gyldendal, 1907. {{OCLC|492626927}}
* (completed by [[Hans Ellekilde|Hans Lavrids Ellekilde]]). ''Nogle grundsætninger for sagnforskning''. Danmarks folkeminder 23. Copenhagen: Schønberg, 1921. {{OCLC|2210807}}
* ''Principles for Oral Narrative Research''. Tr. Kirsten Wolf and Jody Jensen. Folklore studies in translation. Bloomington: Indiana University, 1992. {{ISBN|9780253341754}} (translation of above)
* (revised and completed by Hans Ellekilde). ''Nordens Gudeverden''. Volume 1 ''Vætter og helligdomme'' Copenhagen: Gad, 1926. {{OCLC|492626711}} Volume 2 ''Årets ring'' Copenhagen: Gad, 1951. {{OCLC|257695200}}