Federal income taxationHarold Q. Langenderfer · First published 1991 · Latest edition 1997Open the Tome
Personal Income Tax ProcedureHarold Q. Langenderfer, James B. Bower · First published 1997Open the Tome
Rational accounting conceptsGraham, Willard J., Willard J. Graham, Harold Q. Langenderfer, Grover L. Porter · First published 1988Open the Tome
Personal Income Tax ProceduresJames B. Bower,Harold Q. Langenderfer · First published 1985Open the Tome
Principles of AccountingK. Fred Skousen, Harold Q. Langenderfer, Steven W. Albrecht · First published 1981Open the Tome