van Gogh, Vincent (17 October 1888). "706: To Paul Gauguin". Vincent van Gogh The Letters. Archived from the original on 2016-09-29. Retrieved 2014-04-16.
van Gogh, Vincent (17 October 1888). "706: To Paul Gauguin". Vincent van Gogh The Letters. Archived from the original on 2016-09-29. Retrieved 2014-04-16.