If there is an historical component to your research, you might consider sources from the following institutions:
Library and Archives Canada
Library and Archives Canada (LAC) has a mandate to acquire and preserve Aborginal heritage and offers:
In addition, LAC also collects a wide assortment of materials on and by different ethno-cultural groups. This material includes: immigration records and guides, identity files, muster rolls, travel guides, passenger lists, land grants, etc.
Carleton University Archives and Research Collections
Rare books, special collections, and interlibrary loan materials are available for use within the Archives reading room in 503 MacOdrum Library. The collection offers the following title related to social work in its rare book collection:
Centre for Research Libraries
The Centre for Research Libraries, located in Chicago, Illinois, purchases specialized primary source materials rarely held by North American libraries. Carleton faculty and students can obtain these resources via extended interlibrary loan. Here is sample of materials in the CRL collection that are related to social work: