- Gregg shorthandJohn Robert Gregg
- Gregg Shorthand Manual SimplifiedJohn Robert Gregg, Louis A. Leslie et al.
- Gregg Shorthand Dictionary SimplifiedJohn Robert Gregg, Louis A. Leslie et al.
- Gregg shorthand dictionaryJohn Robert Gregg
- Most-used shorthand words and phrasesJohn Robert Gregg
- Gregg shorthand manualJohn Robert Gregg
- Gregg speed buildingJohn Robert Gregg
- Gregg's ShorthandJohn Robert Gregg
- The basic principles of Gregg shorthandJohn Robert Gregg
- Gregg Speed StudiesJohn Robert Gregg
