Belmont (1878-1979) was an American actress and a prominent public figure. The collection includes correspondence, subject files, and personal materials.

The archive, totaling approximately 4 linear feet, comprises material ranging from scrapbooks, photographs, and correspondence, to books, theatrical scripts, and sheet music, all reflecting Emily Gresser's life in music both in the United States and abroad from the late 1890s to the 1960s, with the majority centered on her professional performing career of 1910-1919.

George Hamlin (1868-1923) was an American tenor. His daughter, Anna (1900-1988), was a soprano and voice instructor. The George and Anna Hamlin papers, dating from 1868 to 1983, document the careers of both vocalists through clippings, diaries, autograph books, programs, publicity materials, scores, photographs, and correspondence.