Clyfford Still 1937 PH 77 Oil on Canvas 43 x 56: Copyright The Clyfford Still Estate Photo: Peter Harholdt

Clyfford Still 1937 PH 77 Oil on Canvas 43 x 56: Copyright The Clyfford Still Estate Photo: Peter Harholdt (05/21/2007), [436153867] . Denver Public Library Digital Collections, accessed 10/02/2026, https://digital.denverlibrary.org/nodes/view/906951