Why it was done and how,
Kettner, W., Steyle, M. B. (1923). Why it was done and how. San Diego, Calif.: Frye & Smith.
Kettner, William, 1864-1930, and Mary B Steyle. Why it Was Done And How. San Diego, Calif.: Frye & Smith, 1923.
Warning: These citations may not always be complete (especially for serials).