1
Fonds Perrone By Destrée, Jules
Date 1907
Subjects: '; ...8-urendag...
monografie
2
3
By Guesde, Jules
Date [s.a.]
Subjects: '; ...8-urendag...
monografie
4
By Wauters, Joseph
Date 1926
Subjects: '; ...8-urendag...
monografie
5
6
7
By Danryid, Lemuel
Date [s.a.]
Subjects: '; ...8-urendag...
brochure