Achieving Sustainable Cultivation of Potatoes Volume 1Gefu Wang-Pruski, Paul Bethke, John Bamberg, Jai Gopal, Pim Lindhout · First published 2018Open the Tome
PotatoKaiyun Xie, Mark Pavek, Albert Abbott, Paul Bethke, Vivian C. Blok · First published 2014Open the Tome
Mineralization in Silicic CalderasPhilip M. Bethke, Peter W. Lipman, Barton, Paul B., Jr., Nora K. Foley, David A. Sawyer · First published 2013Open the Tome
Comparative information on pupil membership, certificated personnel, school finance, Colorado school districts, 1967-1968Paul G. Bethke · First published 1969Open the Tome
