July 19, 1944
Dear Bob:
You have written me about Harry Truman and Bill Douglas. I should, of course, be very glad to run with either of them and believe that either one of them would bring real strength to the ticket.
Always sincerely,
Franklin D. Roosevelt, Letter Endorsing Truman or Douglas for the Vice-Presidential Nomination Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/210904