Graphic Arts recently acquired twenty-three Japanese sketchbooks by unidentified artists (many different hands are apparent). They were collected by Eric Sackheim and given to Princeton University by his widow several years ago.
The sketchbooks, all with traditional Japanese bindings, were packed together with a 1938 auction catalogue from J.C. Morgenthau & Co., Inc. entitled An Important Sale of Japanese Color Prints, Japanese Books, Albums, and Books of Original Drawings, Roll Paintings, [and] a Wood Block. Fifty-five albums of drawings were offered at this sale, which may be the source of the group now at Princeton University. Here is a sample: