Donald T. Williamson

• 2002 tax & financial guide for college teachers and other college personnel
• 2005 Tax & Financial Guide For College Teachers And Other College Personnel
• 2003 tax & financial guide for college teachers and other college personnel
• Saltzman's IRS practice and procedure
• Saltzman's IRS Practice and Procedure - Revised Study Problems
• Saltzman's IRS Practice and Procedure-Revised Instructor's Manual
• The investment credit and cost segregation