Plan for the country estate of Ernest de Koven Leffingwell, Esq., Whittier, 1925 Description: North arrow labeled "approximate North" drawn on the bottom right corner. Date: November 1925 Resource Type: still image Collection: Ralph D. Cornell Papers, 1925-1972
Plan for the Chula Vista Tract, Pasadena Date: between 1924 and 1933 Resource Type: still image Collection: Ralph D. Cornell Papers, 1925-1972
Plan for the Chula Vista Tract, Pasadena Date: between 1924 and 1933 Resource Type: still image Collection: Ralph D. Cornell Papers, 1925-1972
