This primary source comes from the Collection HST-OFF: Official Files (Truman Administration).
Full Citation: Telegram, Paul Burney to Harry S. Truman; 5/9/1945; Colored Question, OF 93; Official Files, 1945 - 1953; Collection HST-OFF: Official Files (Truman Administration); Harry S. Truman Library, Independence, MO. [Online Version, https://docsteach.org/documents/document/telegram-from-paul-burney-to-harry-s-truman, May 20, 2024]