Boek Architectural and Ornament Drawings of the 16th to the early 19th Centuries in the Collection of The University of Michigan Museum of Art Richard P. Wunder (Inleider), Charles H. Sawyer (Coördinator) Uitgever The University of Michigan (1965) Taal Engels Boek Contemporary art : the collection of Dr. and Mrs. Joseph A. Gosman Charles H. Sawyer (Inleider) Uitgever the university of Michigan museum of art (1972) Taal Engels Boek A handbook of the collections of The University of Michigan Museum of Art Charles H. Sawyer (Redacteur), Charles Chetham (Redacteur), Helen B. Hall (Redacteur) Uitgever The University of Michigan (1962) Taal Engels