7 pieces.
Hoover, Edgar, J. Autograph Material:

Typed letter signed. Washington, Oct 5, 1939. 1p, 4to. To the Postmaster General. * TLs. W, Nov 10, 1943. 1p, 4to. To Miss Beth Leary, with FBI Director envelope. * W, Nov 8, 1944. 1p, 4to. To Miss Beth Leary. * TLs. W, Feb 11, 1944. To Mrs. A.B. Griffith, with FBI Director envelope. * TLs. W, Jan 3, 1961. 1p, 4to. To Miss Mary Elizabeth Leary, with FBI Director envelope. * First Day of Issue postal envelope signed. Apr 20, 1950.
All TLs on FBI Director letterhead.