The direction of the project and the Canadian Team were supported by the Social Sciences and Humanities Research Council of Canada's Major Collaborative Research Initiatives (SSHRC - MCRI), The National Archives of Canada, The University of British Columbia's Hampton Research Fund, Vice-President of Research and Dean of Arts Personal Funds and School of Library, Archival and Information Studies, and The University of Toronto.

The American Team was supported by the United States National Historical Publications and Records Commission and the National Archives and Records Administration.  All American universities involved in the research provided financial and in-kind support for their own representatives.

The Italian Team was supported by the Italian National Research Council and Central State Archives.

All other co-investigators were supported by their respective archival institutions, universities, or industries.