From UBC Wiki
Includes federal, provincial, and municipal documents such as publications of research value issued by the federal government, the ten provinces, and two of the three territories. Also has hard to find publications issued by hundreds of Canadian government agencies and departments; scientific and technical report literature issued by research institutes and government laboratories; policy, social, economic, and political reports; Statistics Canada monographs, and some serials." Aimed primarily at irregular publications that are elusive and difficult to acquire by other methods.