More sub categories:
Katsushika Hokusa - Thistle and Crossing
Ando Hiroshige - Bikuni bridge in snow
Ando Hiroshige - Horikiri Iris Garden
Paul Klee - figure in the garden
Paul Klee
Paul Klee - The fullmoon
Paul Klee - Blühende
Paul Klee - Flora on the Sand
Piet Mondrian - Composition
August Macke (1887-1914), Hat Shop, 1914
Paul Gaugin - Te tiare Farani
Paul Gauguin - When will you marry?
Girl with Stylus, Sappho, Rom. Mural, 1. Jahrhundert, C1st AD
Roman Fresco
Fresco at Pompeji
Roman Fresco I
Primavera - Fresco
Georges Seurat - Ein Sonntagsnachmittag
Ernst Ludwig Kirchner - Women Bathing
Ernst Ludwig Kirchner - Self Portrait with a Model