Oakland: The Oakland Art Gallery, 1931. First Edition. Slim octavo. 8-page (including covers) catalogue from the 1931 Oakland Art Gallery exhibition of the group of European abstract painters championed by Galka Scheyer and called The Blue Four: Lyonel Feininger, Alexey Jawlensky, Wassily Kandinsky, and Paul Klee. After the group's first US exhibition in New York in 1925, Scheyer traveled to the West Coast and organized the majority of the group's exhibitions in California, settling in Los Angeles and selling the works to a number of important modernist collectors. Faintly soiled, folded once horizontally, with the bottom page edges mis-trimmed and/or chipped; very good in side-stapled wrappers. Uncommon.