| Ian Hornak; photograph by John Huszar © 1971 John Huszar. Photograph owned by the permanent collection of the Smithsonian Institution: Archives of American Art, Washington D.C. |
| Ian Hornak; photograph by Jack Mitchell © 1971 Jack Mitchell, New York, NY. Photograph owned by the permanent collection of the Smithsonian Institution: Archives of American Art, Washington D.C. |
| Ian Hornak right, foreground, Andy Warhol back, center; © 1971. Photograph owned by the Smithsonian Institution: Archives of American Art, Washington D.C. |
| Ian Hornak right, foreground, Willem de Kooning, center; © 1971 photograph owned by the permanent collection of the Smithsonian Institution: Archives of American Art, Washington D.C. |
| Ian Hornak; photograph by John Foote ©1968 John Foote, New York, NY. Photograph owned by the Smithsonian Institution: Archives of American Art, Washington D.C. |