Introduction to Investment PlanningStephan Leimberg, Tom Robinson, Robert R. Johnson, Marvin Keene · First published 2020Open the Tome
Kulturübergreifender DienstSherwood G. Lingenfelter, Marvin Keene Mayers · First published 1991Open the Tome
Notes on Christian outreach in a Philippine communityMarvin Keene Mayers · First published 1970Open the Tome
