Pollard Memorial Library (Lowell)

Cryptography -- United States -- History -- Sources

Type

http://bibfra.me/vocab/lite/Concept

Label

Cryptography -- United States -- History -- Sources

Name

Cryptography

Focus

Cryptography

Sub focus

Actions

Incoming Resources

Subject of
1
- Venona, decoding Soviet espionage in America, John Earl Haynes and Harvey Klehr

Outgoing Resources

Focus
1
- Cryptography
Sub focus
3