Columbia subject headings:
Conglomerate corporations--United States--Case studies.
Corporations--United States--Case studies.
Industrial management--Case studies.
Harvard subject headings:
Conglomerate corporations--United States--Case studies.
Corporations--United States--Case studies.
Industrial management--Case studies
Princeton subject headings:
Case studies.
Conglomerate corporations--United States--Case studies.
Corporations--United States--Case studies.
Industrial management--Case studies.