Twentieth Century Painters: The Sidney Janis Collection — Weisman Art Museum
Art: Avant-Garde Revolt; 'New Realists' Mock U.S. Mass Culture in Exhibition at Sidney Janis Gallery - The New York Times
Piet Mondrian: exhibition, Sydney Janis [Gallery], 5 February-17 March, 1951 : Mondrian, Piet, 1872-1944 : Free Download, Borrow, and Streaming : Internet Archive
Sidney Janis
Sidney Janis Gallery - Archival Labels
Resources :: Installation view of Robert Motherwell 1959 solo exhibition at Sidney Janis Gallery, March 1959 (with Sidney Janis standing near the doorway) [photograph] / (photographed by Peter A. Juley & Son) | Smithsonian Learning Lab
261 Sidney Janis Gallery Photos and Premium High Res Pictures - Getty Images
261 Sidney Janis Gallery Photos and Premium High Res Pictures - Getty Images
VIntage Cubism Sidney Janis Gallery Auction Exhibition Catalog New York 1956 | eBay