Correspondence, photographs, manuscript and printed music, programs and much other material of this Chicago Symphony Orchestra librarian and composer. Sayers was born in London and studied at the Royal College of Music before moving to Chicago in 1920, where he became a percussionist for the CSO under Frederick Stock before a promotion to librarian. His papers include a wealth of information on the CSO and prominent figures such as Eric De Lamarter, Stock, Theodore Thomas and many others; also included are Sayers' collection of opera librettos and advertisements from 1856 to 1880, and a large amount of family correspondence and memorabilia.