Each book in the library is given at least one authorized Library of Congress Subject Heading. You can search for the authorized heading(s) associated with your topic in the LC Subject Authorities.
The collection is organized by the Library of Congress Classification system.
Each of these subject headings is searched using the su: prefix. You can narrow the topics by adding keywords. Relevant works may be located under Indigenous Peoples (as listed below) or the former heading Indians of North America, so try both for more complete results.
For a more general approach, try the heading Indigenous Peoples -- Canada along with any of the following subheadings: