Eight-month-old Rosita Dee Cornell sitting on the toilet in a potty training chair, California, 1931 Description: Two pictures of eight-month-old Rosita Dee Cornell, daughter of landscape architect Ralph D. Cornell, sitting on the toilet in a potty training chair Date: June 30, 1931 Resource Type: still image Photographer: Cornell, Ralph D. Collection: Ralph D. Cornell Papers, 1925-1972
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