Columbia subject headings:
California--History--1846-1850.
Mexican War, 1846-1848--Campaigns.
New Mexico--History--To 1848.
Harvard subject headings:
California--History--To 1846.
Mexican War, 1846-1848--Campaigns
New Mexico--History--To 1848
Princeton subject headings:
California--History--1846-1850.
New Mexico--History--War with Mexico, 1845-1848.