Correspondence with F. H. Ricketson 1950 June 14, 19
Letter from Stravinsky to Harold Taubmann 1950 November 3
Letter from Stravinsky to Weissberger 1950 November 6
Letter from Stravinsky to Weissberger 1950 December 19
Letter to Weissberger, correspondence with Lincoln Kirstein 1951 February-March
Letter from Stravinsky to Weissberger, Dr. E. Roth 1951 May 9