John T. Grupenhoff

• 1982 national education directory
• 1988 National Health Directory
• Congressional Directory
• Federal laws
• National health directory
• 1990 National Health Directory
• 1991 National Health Directory
• Directory of Federal Health-Medicine Grants and Contracts Programs, 1980
• Health maintenance organization legislation in 1972
• Impoundment of health funds by the Nixon Administration
• National directory of health/medicine organizations
• National Health Directory, 1984