Author
Oxford Scholarship Online
3
ProQuest (Firm)
2
Brady, Ciaran
1
Clabby, John F., 1950-
1
Davis, Howard
1
Davis, Lydia
1
Elmer, Peter
1
Hough, Barry
1
Mansfield, P.
1
Palgrave Connect (Online service)
1
Scott, Ian, 1965-
1
Thomas, P. D. G. 1930-
1
United States. National Security Agency/Central Security Service. Center for Cryptologic History
1