"How to Make the Frick More Open to Public," holograph and typescript notes and research
MLA
Clapp, Frederick Mortimer, 1879-1969. "How to Make the Frick More Open to Public," holograph and typescript notes and research. Box 69. undated. https://collections.library.yale.edu/catalog/2055470.
APA, 6th edition
Clapp, Frederick Mortimer, 1879-1969. (["Box 69"])(undated)["How to Make the Frick More Open to Public," holograph and typescript notes and research]. https://collections.library.yale.edu/catalog/2055470.