Conservation, 1963 Box 20, Folder 9 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Conservation letters, 1932-1941 Box 16, Folder 20 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Conservation letters and reports, 1937-1959 Box 17, Folder 1 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Consultations, 1945-1971 Box 17, Folder 2 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Contracts, 1940, 1969, 1969 Box 23, Folder 20 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Contracts and agreements, 1983-1985 Box 23, Folder 11 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Copies of American Art Award notice, 1969 Box 2, Folder 25 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Copies of reports of work accomplished, 1969 Box 2, Folder 26 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Copy of standards, 1968-1988 Box 23, Folder 21 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…
Copyright and letters, including important material about The Painter's Craft, 1949-1989 Box 24, Folder 1 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991…