The Annual, 1991

Pfeiffer Library CD-ROM Version 4. 0 Multi-Seat License

Pfeiffer Library CD-ROM Version 4.0

Pfeiffer's Classic Activities Set of Seven (Pfeiffer's Classic Activities)

60 Minute Training Leaders Library Set (60 Minute Active Training)

Pfeiffer Library CD-ROM

Children's Literature

Performance Bookshelf Set

The Annual, 1998 Training (1998)

In the Minds Eye Enhancing Performance

Pfeiffer and Company Library of Theories and Models Set (includes V24-Individual, V25-Group, V26-Management, V27-Organization Loose-Leaf packages)