==References==* Jaap W. Brouwer, Jan Laurens Siesling & Jacques Vis, "Anthon van Rappard, companion & correspondent of Vincent van Gogh; his life & all his works", De Arbeiderspers, Amsterdam & Gary Schwartz, Maarssen 1974 ISBN 90-295-3441-9==External links==*Alexander Gerhard Anton van Rappard on Artnet
* Jaap W. Brouwer, Jan Laurens Siesling & Jacques Vis, "Anthon van Rappard, companion & correspondent of Vincent van Gogh; his life & all his works", De Arbeiderspers, Amsterdam & Gary Schwartz, Maarssen 1974 ISBN 90-295-3441-9* Alexander Gerhard Anton van Rappard on Artnet