Oral history interview with Leo Castelli, 1969 May 14-1973 June 8 | Archives of American Art, Smithsonian Institution | Archives of American Art, Smithsonian Institution
Leo Castelli - Wikipedia
Roy Lichtenstein. Interior with Chair from The Leo Castelli 90th Birthday Portfolio. 1997, published 1998 | MoMA
Leo Castelli - Alchetron, The Free Social Encyclopedia
Blue (for Leo) - High Museum of Art
Various Artists | Leo Castelli's 90th Birthday (1997) | Artsy
Homenaje a Castelli con nombre propio | Metrópoli | elmundo.es
Leo Castelli - Wikipedia
108: VARIOUS ARTISTS, Leo Castelli 90th Birthday Portfolio < Modern Art & Design, 20 October 2019 < Auctions | Los Angeles Modern Auctions (LAMA)
The Flame Dances on Leo's Book from Leo Castelli 90th Birthday Portfolio
Leo and His Circle: The Life of Leo Castelli : Cohen-Solal, Annie, Polizzotti, Mark: Amazon.it: Libri