A History of the Office of Naval Intelligence, 1882-1942
A history of the organization Delta Green belonged to before they moved to the Office of Strategic Services.

PISCES
The British counterpart to Delta Green.

GRU Spetsialni Viedotstvo-8
Soviet military intelligence and ghouls

The Karotechia
The German effort to control the Mythos for their own ends.

Kokuryukai (The Black Dragon Society)
The history of Japan's encounters with the Mythos.

The Sluzhba Bezpeky
The Security Service of the Organization of Ukrainian Nationalists, and its involvement with the Mythos

Personnel Records
Important individuals of Delta Green, PISCES, the Karotechia, and others

Order of Battle
Templates and histories of military, intelligence, and police agencies

A Chronology of Delta Green and the Mythos
A timeline of relevant events from history and the Mythos between 1933 and 1945

Book of Phrases
Some phrases relevant to WWII DELTA GREEN translated into different languages

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