Owen Cochran Coy (1884-1952). American historian and director for the California Historical Survey Commission.
92 pages with illustrated maps. The maps show California in 1850, 1852, 1855, 1860, 1870, 1880, 1895, and 1922. There is also a foldout map of Los Angeles showing changes in jurisdiction and a map showing the Los Angeles – Ventura boundary.