Résumé

Principal, John A. Kooken, Architect, Los Angeles, CA, 1892. (See Los Angeles City Directory, 1892, p. 885.)

Principal, John A. Kooken, Architect, San Diego, CA, 1893-1894. (See San Diego, California, City Directory, 1893-1894, p. 264.) Kooken was one of four architects listed in San Diego's Business Directory of 1893-1894. The others wereW.S. Hebbard, E.F. Kirby, and J.B. Stannard.