Columbia subject headings:
Civil law--Rocky Mountains Region--History.
Commercial law--Rocky Mountains Region--History.
Sociological jurisprudence--History.
Harvard subject headings:
Civil law--Rocky Mountains Region--History.
Commercial law--Rocky Mountains Region--History.
Sociological jurisprudence--History.
Princeton subject headings:
Civil law--Rocky Mountain Region--History.
Commercial law--Rocky Mountain Region--History.
Sociological jurisprudence--History.