Knee [proof] by Sant, Roger, Mr. and Mrs., Gemini G.E.L., National Gallery of Art, Glenstone, Zeisler, Richard S., Lozingot, Serge, Pappajohn, John, Mr. and Mrs., Patrons' Permanent Fund, Jasper Johns — VisualArtsDB

Knee [proof] by Sant, Roger, Mr. and Mrs., Gemini G.E.L., National Gallery of Art, Glenstone, Zeisler, Richard S., Lozingot, Serge, Pappajohn, John, Mr. and Mrs., Patrons' Permanent Fund, Jasper Johns — VisualArtsDB