Longtime Delta Green Mailing List member the Man in Black shared these documents and links to aid Delta Green games.
Activities Matrix
Establish the connections between persons and groups, activities, interests, and other … entities.
Association Matrix
Track relationships between individuals in a group under investigation.
Tactical Control Sheet
All vital data on one sheet for combat in Delta Green.
Official Investigation Guides
Use these official publications to add all the versimiltude you can stand to Delta Green investigations.
Very neat tools. Thank you, MiB.