The bulk of Ida Halpern's professional papers are in the Provincial Archives of British Columbia. This series includes inventories of her papers at that repository as well as records relating to a few professional and community activities.

The correspondence is mainly personal, from friends or relatives, or related to Ida Halpern's volunteer efforts to promote music appreciation in Vancouver through various community groups. These groups included the Vancouver Women's Musical Club, Friends of Chamber Music, Festival Concert Society, and the Metropolitan Opera National Council (for regional auditions). Some related material, such as programs and brochures, is also included. There is some correspondence regarding her work for UBC Extension, The Province newspaper, CBC Radio, and Folkways records. One file, entitled by Ida Halpern, "Fan Mail," contains letters received about her articles, courses, or broadcasts.

Series contains birth certificate, school certificates, deed, copyrights, will, income tax returns, university records, diploma, curriculum vita, chapter of biography, film proposal, death certificate, obituaries and other news clippings. Also includes brochures, course outlines, notes, and exams relating to some of Ida Halpern's courses for U.B.C. Extension, notes for reviews, speeches, classes and articles as well as reprints of What is Modern Music, and Indian Music of the Pacific Northwest Coast.