best-porn-on-tumblr: http://best-porn-on-tumblr.tumblr.com/
artaddictsanonymous: R.B. Kitaj, Degas, 1980
phassa: Cornelis Ketel - Double Portrait of a Brother and Sister
Diane Arbus, Teenage couple on Hudson Street NYC, 1963
climacus.tumblr.com/post/21201492706/
poboh: The Neighbours, 1881, William Henry Bartlett. English