Third floor plan of the Girls' High School, San Francisco, 1870; from Biennial Report of the Treasurer of California for the Nineteenth and Twentieth Fiscal Years, July 1, 1867, to June 30, 1869. [Sacramento: D.W. Gelwicks, State Printer, 1870], p. 137
Biennial Report of the Treasurer of California for the Nineteenth and Twentieth Fiscal Years, July 1, 1867, to June 30, 1869. [Sacramento: D.W. Gelwicks, State Printer, 1870], p. 137