P1000-P1449
MLA
Williams, Jonathan, 1929-2008. P1000-P1449. Box 48. circa 1951-circa 1997. https://collections.library.yale.edu/catalog/15499820.
APA, 6th edition
Williams, Jonathan, 1929-2008. (["Box 48"])(circa 1951-circa 1997)[P1000-P1449]. https://collections.library.yale.edu/catalog/15499820.