European analogues in general
From International Robin Hood Bibliography
By Henrik Thiil Nielsen., 2020-09-22. Revised by Henrik Thiil Nielsen, 2020-09-22.
Studies and criticism
- Jensen, Henrik Fibæk. Jens Langkniv: en Jysk Robin Hood? (Studier fra Sprog- og Oldtidsforskning udgivet af Det Filologisk-Historiske Samfund, vol. 102 (for 1992), No. 319) ([Copenhagen], 1993). On popular and literary traditions relating to Jens Langkniv – John the Long Knife, an outlaw active on the moors of Jutland during the first half of the 17th century.