Office of Alien Property Custodian, Vesting Order No. 248. The order was signed by Leo t. Crowley, Alien Property Custodian, executed October 20, 1942; F.R. Doc. 42-11568; Filed, November 6, 1942. 11:31 AM; 7 Fed. Reg. 9097 (Nov. 7, 1942).

See also the New York City Directory of Directors (available at the Library of Congress). The volumes for the 1930s and the 1940s list Prescott Bush as a director of Union Banking Corporation for the years 1934 through 1943.