The following was submitted by Laura Bruce:
Tal Meta replied:
http://delta-green.com for more info.
Ricardo Mendez added:
I've also crossed briefly 1920s CoC with The Stage, available from http://www.mimgames.com/. A good, short read (about 15 pages), freely available and ready to be inserted into your 1990s CoC campaign as soon as you wish, even if it wasn't designed for it.
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