Columbia subject headings:
Cooperative acquisition of library materials--Canada.
Cooperative acquisition of library materials--United States.
Cooperative collection development (Libraries)--Canada.
Cooperative collection development (Libraries)--United States.
Library cooperation--Canada.
Library cooperation--United States.
Library surveys--Canada.
Library surveys--United States.
Harvard subject headings:
Academic libraries--Collection development--Canada.
Academic libraries--Collection development--United States.
Library cooperation--Canada.
Library cooperation--United States.
Princeton subject headings: