Het lied in de middeleeuwen
Dorr G. Kalff
Leiden; Brill 1884
Online editions:
- books.google.com/books?id=uBFWAAAAcAAJ
- books.google.com/books?id=SQKNVnppIvkC
- books.google.com/books?id=9kgSAAAAYAAJ
- www.dbnl.org/tekst/kalf003lied01_01/kalf003lied01_01.pdf
- hdl.handle.net/2027/hvd.32044089048243
- books.google.com/books?id=PHhfAAAAcAAJ
- hdl.handle.net/2027/mdp.39015030054558
- books.google.com/books?id=-9leAAAAcAAJ
- archive.org/details/hetliedindemidd00kalfgoog
Language
- dutch