The 1920s Investigator's Companion (CHA2370) 1997
Publisher: Chaosium
Systems: Call of Cthulhu (Classic)
Authors: Keith Herber
Contents
| Title | Pages | Author | System | |
|---|---|---|---|---|
 The Roaring Twenties | 5-14 | Keith Herber | Call of Cthulhu (Classic) | (See Also) |
 Becoming an Investigator | 15-68 | Keith Herber | Call of Cthulhu (Classic) | |
| The Tools of the Trade | 69-114 | Keith Herber | Call of Cthulhu (Classic) | |
| Words of Wisdom | 115-125 | Keith Herber | Call of Cthulhu (Classic) |
Links: 
Call of Cthulhu Collector's List (p5), 
Drive Thru RPG, 
RPG Geek, 
RPG.net, 
Yog-Sothoth