Leiden University Libraries,
Brieven van Karel Muller aan Willem Geertrudus Cornelis Byvanck (1848-1925) BPL 2246
Muller, Karel. Byvanck, W.G.C. (1848-1925)
BPL 2246
Dutch
No place, unknown, or undetermined
7 brieven
scans
1876-1877
http://hdl.handle.net/1887.1/item:3158481