Columbia subject headings:
Business enterprises--Purchasing--United States--Handbooks, manuals, etc.
Consolidation and merger of corporations--United States--Handbooks, manuals, etc.
Sale of business enterprises--United States--Handbooks, manuals, etc.
Harvard subject headings:
Business enterprises--Purchasing--United States--Handbooks, manuals, etc.
Consolidation and merger of corporations--United States--Handbooks, manuals, etc.
Sale of business enterprises--United States--Handbooks, manuals, etc.
Princeton subject headings: