Love letters written during World War I from an Italian in Florence, Italy, to French opera singer Jenny Dufau living in Chicago. Also, brief correspondence concerning Dufau’s passport, a note from a New York opera company, and three photographs of musicians.

Material relating to the career of mezzo-soprano Mina Hager (Mrs. Fred Heidenson), including incoming correspondence from John Alden Carpenter and others, programs, clippings and other memorabilia. Also, practice and demo tapes, sound recordings (78 rpm and 45 rpm, LP) and a collection of manuscript and published sheet music, mostly by John Alden Carpenter.

Administrative, publicity, and audiovisual materials from the Musicians Club of Women, one of the oldest musical clubs founded in Chicago in 1875.

Performance photographs, snapshots, newspaper clippings, and opera ephemera relating to the career of Olivia Monona Goldenberger, known professionally as Olivia Monona, from 1899 to 1943. Photographs illustrate the world of Chicago opera and musicals during the 1910s, 1920s and 1930s, with photographs of performances in Chicago, Highland Park, IL, and at the Ravinia Festival. Collection also contains portraits, passport, and news clippings about opera maestro Attico Bernabini.