The fonds consists of briefs, manuscripts, newspaper clippings, reports, research notes, and related material of Michael Posluns. There is also a run of 'Akwasasne notes,' (1969-1976) [newspaper], audio reels, and video cassettes, which include interviews with First Nations elders, politicians, artists, community activists, as well as interviews conducted for broadcast on radio (Canadian Broadcasting Corporation and National Public Radio in the United States), Indigenous music and tapes relating to Indigenous culture.