The Paul Hindemith Collection brings together primary and secondary source materials which document the life and career of Paul Hindemith, particularly his years in the United States (1940-1953). The Collection holds holographs of 14 compositions by Hindemith, including the Lilacs Requiem and the concertos for clarinet, horn, and trumpet and bassoon. The Collection also holds secondary materials (programs, notes, and reviews) for nearly all of Hindemith's compositions, as well as extensive material relating to Hindemith's classroom teaching and the Yale Collegium Musicum. Additional materials include correspondence between Paul and Gertrud Hindemith and colleagues, friends, and music publishers; photographs and drawings; articles about Hindemith; and miscellaneous materials.