Pioneers of San Bernardino 1851-1857Nicholas Cataldo, Arda M. Haenszel · First published 2001Open the Tome
A surface survey of Las Floras Ranch (Guapiabit)Doris Bowers, Arda M. Haenszel, San Bernardino County Museum, Archaeological Survey Association of Southern California · First published 1976Open the Tome
San Bernardino County registered state historical landmarksGerald A. Smith, L. Burr Belden, Arda M. Haenszel, San Bernardino County Museum Association · First published 1970Open the Tome
Mapping the history of San Bernardino ValleyArda M. Haenszel, Gerald A. Smith · First published 1961Open the Tome
