(EXPERIMENTAL PHOTOGRAPHY) Group of 20 accomplished abstractions, photogenics, photograms, and other experimental processes by students of printmaker, Leo Katz. Silver prints, 5x4 to 131/4x10 inches (12.7x10.2 to 32.3x25.4 cm.), with the photographers' signatures and printing notations, in pencil or ink, on mounts recto or verso. Circa 1946
