Columbia subject headings:
Harvard subject headings:
Gold mines and mining--California--History--19th century
Italian Americans--West (U.S.)--Biography.
Italian Americans--West (U.S.)--Social life and customs.
West (U.S.)--History.
Princeton subject headings:
Italian Americans--West (U.S.)--Biography.
Italian Americans--West (U.S.)--Social life and customs.
West (U.S.)--Emigration and immigration.