First National Police-Community Relations Conference. Nat. Assoc. of Intergroup Relations Officials. Philadelphia, Pa. Apr. 8-9, 1954. Typed doc., Box: 10, Folder: 8. Helen Jackson Claytor civil rights collection, Collection 308. Grand Rapids History Center. https://archive.grpl.org/repositories/4/archival_objects/173558 Accessed October 18, 2024.