Columbia subject headings:
Consolidation and merger of corporations--United States.
Getty Oil Company.
Pennzoil Company.
Petroleum industry and trade--United States--Consolidation.
Texaco, Inc.
Harvard subject headings:
Consolidation and merger of corporations--United States.
Getty Oil Company.
Pennzoil Company.
Petroleum industry and trade--Mergers--United States.
Petroleum industry and trade--United States--Consolidation.
Texaco, inc.
Princeton subject headings:
Consolidation and merger of corporations--United States.
Getty Oil Company.
Pennzoil Company.
Petroleum industry and trade--United States--Consolidation.
Texaco, Inc.