Columbia subject headings:
Pacific Coast (U.S.)--History--Periodicals.
Pan-Pacific relations--Periodicals.
United States--Territorial expansion--Periodicals.
West (U.S.)--History--20th century--Periodicals.
Harvard subject headings:
Pacific Coast (U.S.)--History--Periodicals.
Princeton subject headings:
Pacific Coast (U.S.)--History--Periodicals.
Periodicals.