LS-Alberto Ginastera; ALS-HansWerner Henze; ALS-Aaron Copland; ALS-Samuel Barber; ALS-Carlos Chavez; ALS-William Schuman; ALS-Darius Milhaud; ALS-Leonard Bernstein, ALS-Francis Poulenc; ALS-George Judd; LS-David M. Keiser; ALS-Carlos Moseley. Contracts with artists for commissioned works; Completition of Philharmonic Hall; Correspondence with Darius Milhaud regarding his Ouverture Philharmonique; Correspondence with publishers Boosey and Hawkes about scores for commissioned pieces.