[ Autograph ] Herbert Hoover Good content T.L.S. as President on White House letterhead, lp. 8vo., Washington, Mar. 11, 1931 to Rufus C. Dawes. Hoover pledges his administration's support to the Century of Progress Exposition celebrating Chicago's centennial. he adds: I shall be glad to propose to Congress at its next session the authorization for participation of the Federal Government the large majority of Congress favored it in the past session its failure was due to technical opposition...' Fine, with blank integral leaf mounted.