European analogues in general
By Henrik Thiil Nielsen., 2020-09-22. Revised by Henrik Thiil Nielsen, 2021-07-03.
'John Longknife' was an historical outlaw active on the moors of Jutland during the first half of the 17th century.
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)
- Wikipedia: Jens Langkniv (in Danish).
Marko Kraljević or Marko Mrnjavčević (Serbian Cyrillic: Марко Мрњавчевић) was the de jure King of Serbia 1371-95 and de facto ruler of a territory in western Macedonia centered on the town of Prilep. He was known as Prince Marko (Serbian Cyrillic: Краљевић Марко, Kraljević Marko) and King Marko (Serbian Cyrillic: Краљ Марко; Bulgarian: Крали Марко; Macedonian: Kрaле Марко) in South Slavic oral tradition, in which he became a major character during the period of Ottoman rule over the Balkans.
- Low, David Halyburton, transl. The Ballads of Marko Kraljević (Cambridge, 1922); likened to Robin Hood, p. 31.
- Wikipedia: Prince Marko.