| Title | Pages | Author | System | |
|---|
 Creating the Investigator | 11-15 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| Game System and Skills | 16-27 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| Sanity | 28-36 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
 The Cthulhu Mythos | 37-66 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| Magic and Spells | 67-79 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| How to Play the Game | 80-83 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
 The Haunted House | 84-86 | Sandy Petersen | Call of Cthulhu (Classic) |  Yog-Sothoth, (See Also) Boston; 1920 |
| The Madman | 87-88 | Sandy Petersen | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) Vermont; Mi-Go |
| The Brockford House | 88-92 | Sandy Petersen | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) Maine; Deep One |
| Railway Coaches | 95 | Lynn Willis, Yurek Chodak | Call of Cthulhu (Classic) | (See Also) |
| Timeline for the 1920s | 96-98 | Lynn Willis, Harry Henderson | Call of Cthulhu (Classic) | (See Also) |
| Biographies | 99-101 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| Companies | 102 | Tadashi Ehara | Call of Cthulhu (Classic) | (See Also) |
| Crime | 102-103 | Lynn Willis, Tadashi Ehara, Steve Perrin | Call of Cthulhu (Classic) | (See Also) |
| On Cultists | 104-106 | Lynn Willis | Call of Cthulhu (Classic) | (See Also) |
| Other Occupations | 104 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| Nautical Skill | 106 | Lynn Willis | Call of Cthulhu (Classic) | |
| Sages | 106-107 | Lynn Willis | Call of Cthulhu (Classic) | (See Also) |
| Travel | 109-110 | Lynn Willis, Steve Perrin | Call of Cthulhu (Classic) | (See Also) |
| Prices and Cash | 111-112 | Steve Perrin, Lynn Willis | Call of Cthulhu (Classic) | (See Also) |
| Weapons | 113-115 | Lynn Willis, Sandy Petersen, Steve Perrin | Call of Cthulhu (Classic) | (See Also) |
| Beasts and Monsters | 117-121 | Sandy Petersen, Steve Perrin | Call of Cthulhu (Classic) | (See Also) |
| The Cthulhu Mythos in Mesoamerican Religion | 125-129 | Richard L Tierney | Call of Cthulhu (Classic) | (See Also) |
| Further Notes on the Necronomicon | 129-130 | William Hamblin | Call of Cthulhu (Classic) | (See Also) |
| Sourcebook Additions | 130-137 | Lynn Willis, Keith Herber | Call of Cthulhu (Classic) | |
| Rulesbook Additions | 137-145 | Glenn Rahman, Sandy Petersen, Alan K Crandall | Call of Cthulhu (Classic) | |
| Excerpts and Prayers | 145-147 | Sandy Petersen | Call of Cthulhu (Classic) | |
| Paper Chase | 147-150 | John Sullivan | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) Michigan; Ghoul |
| The Mystery of Loch Feinn | 151-158 | Glenn Rahman | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) Scotland; Lloigor |
| The Rescue | 158-165 | Lynn Willis | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) Werewolf |
| The Secret of Castronegro | 166-179 | Mark Pettigrew, Sandy Petersen | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) New Mexico; October |
| A Beginning Scenario for a Campaign | 184-186 | Sandy Petersen | Call of Cthulhu (Classic) | Yog-Sothoth, (See Also) Vermont; 1920s |
| Libraries and Their Use | 186-187 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
| Notes on a Fragment of the Necronomicon | 187-188 | Sandy Petersen | Call of Cthulhu (Classic) | (See Also) |
Call of Cthulhu (CHA2317-H) 1986, 3rd Edition, Games Workshop
Call of Cthulhu Rules
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