Andrew Schultz's Page
Offers maps, FAQs, walkthrough, and lists of hirelings and bugs.
Rapier's Chamber
Offers walkthrough, scanned map of Cron and running instructions.
RPGClassics Shrine
Offers maps, walkthrough and a wide array of lists and hints.
Sorpigal: The Might and Magic Resource
Offers description and scanned map of Cron.
The Video Game Museum
Offers screen shots of the Sega Genesis version.