自画像。站在这位艺术家旁边的是他的父亲兼老师扬·毛里茨·昆哈德(1688-1772)-Julius Henricus Quinkhard
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Self Portrait. Standing beside the Artist is his Father and Teacher Jan Maurits Quinkhard (1688~1772) (1757) --Julius Henricus Quinkhard (荷兰艺术家, 1736-1776)
-Letter to Theo van Gogh with sketches of Church Pew with Worshippers, Back of the Head of an Orphan Man and The Poor and Money (Pen), by Vincent Van Gogh