This series consists of Nicholls curriculum vitae, list of publications, newspaper clippings, correspondence and biographical works containing his poetry, drawings, paintings and short stories.

This series consists of reports, manuals and correspondence thanking Nicholls for serving on or participating in a variety of local, provincial and federal committees. The photograph in the series is a black & white group picture of the Canadian Funds and Councils Division of the Canadian Welfare Council [1960-1970].

This series consists of correspondence, research notes and reports pertaining to the year he spent at the London School of Economics and Political Science as a Research Scholar.

This series consists of newspaper clippings, Certificate of Social Work, a United Way report and a program from a play produced by Nicholls.

This series consists of published reports, conference proceedings, articles, books and book reviews covering a variety of social topics and issues. These topics include rural development, rural families, youth and employment, and social welfare.

This series consists of sermons, addresses, interviews and talks given by Nicholls.

This series consists of reports, newspaper clippings and research notes.

This series consists of research notes, reports, presentations, and correspondence dealing mainly with his work as the institutes Molson Research Fellow (1977).

This series consist of a recorded presentation given by Nicholls on October 29, 1975. The title of the presentation was "Social Policy Perspectives: The Green Paper on Population and Immigration."

The fonds consists of biographical materials, conference proceedings, reports, articles, books, sermons, speeches, talks, committee reports, correspondence, newspaper clippings, a photograph and a video tape. The fonds consists of nine series: Biographical; Publications; Speeches, Addresses and Talks; Committees; London School of Economics; Vanier Institute of the Family; Subject Files, Miscellaneous and Video Tape.