Dates based on handwritten note on cover: Benkert; head, Art Ed.; Pratt Institute. Ernst Benkert taught at Pratt from 1966-1990. Sketchbook has green cover with pre-printed illustration of a sailing ship and title: 'Clipper' sketch book. Various handwritten notes on cover. Some sketches are abstract, others depict faces, clouds and lightning bolts; done in black and colored marker and graphite. Blank pages have not been scanned.
Ray Yoshida sketchbook, between 1966 and 1990. Ray Yoshida papers, 1903-2010, bulk 1950-2005. Archives of American Art, Smithsonian Institution.
U.S. public domain
Archives of American Art, Smithsonian Institution Washington, D.C. 20560