The fonds is separated into series. The first series is biographical information and family material 1896-2003. It includes diaries and appointment books. The second series is correspondence from 1930-2003. The third series is book drafts and correspondence with publishers from 1944-1998. The fourth series is comprised of research material for a book on the 50th anniversary of Jewish Child & Family Services and the History of Education Project 1990-2001. The fifth series contains articles, speeches, conference programs & book reviews 1930-2001.The sixth series is radio scripts 1955-1981. The seventh series is Patriotic Observances for Manitoba Department of Education. The eighth series is material from the University of Manitoba from 1945-2001. The ninth series is material relating to education 1915-2002. The tenth series contains research material on Aging & Senior Citizens 1969-1994. The eleventh series is research on women. Series twelve contains information on the Canadian Civil Liberties Association 1993-2002. Research material on Shack's wide ranging areas of interest comprises the thirteen series. Series 14 contains information on Shack's Awards 1969-2002. Series 15 contains biographical information, eulogies & obituaries on Shack's friends 1972-1996. Series 16 contains information on Jewish history, 1950-1996. Series 17 contains information about Shack's adoptive brother John Hirsch 1951-1988. Series 18 contains literary material by other people to sent to Shack 1977-2001. Series ninteen is miscellaneous material 1917-2001. The final series twenty contains oversize material including newspaper clippings, awards, plaques, degrees and a family tree.
The fonds then includes audio cassettes, photo collections, and a video cassette.