The Benjamin Horch fonds consists of 4 series and 12 subseries. 1.Materials Collected and Prepared by Esther Horch; subseries Ben Horch, Wedding and Anniversaries, Horch Family Travels, Concert Programs, and Esther Horch Diaries and C.N. Hiebert work. 2. Materials Collected and Written by Ben Horch; subseries Ben Horch's General Correspondence, Ben Horch and CFAM Radio, Ben Horch and the CBC, KFAC Radio, Public Service Files and Personal Files subseries. 3. Audio Recordings 4. Ben and Esther Horch Music Collection. The entire collection consists of photographs, letters, photocopied letters, newspaper clippings, musical scores, recorded interviews, hymnbooks, programs from concerts, notes, CD's, tapes, and vinyl records. The photographs are left in there original location in scrapbooks made by Esther Horch. The materials show his musical influence in Mennonite communities, the development of Mennonite musical education, Mennonite radio and musical commissions.