Letter from Vincent van Gogh to Theo van Gogh (11 February 1883) ... De Bock seems to be in very flourishing circumstances, ... I think of De Bock, and though I feel a real sympathy for him ...
Letter from Vincent van Gogh to Anthon van Rappard (c. 5 March 1883) ... You ask me about De Bock. I haven't been to ... intrude. I know that De Bock is working on a large ... beautiful. I've met De Bock twice lately - not in his ...