During World War I, German spies were even capable of infiltrating a Tom Mix Western!
1918-09-08
1917-07-17
1911-12-08
1927-09-30
1928-06-23
1919-06-29
1921-09-12
1926-10-02
1936-02-19
1910-05-24
1932-04-14
1915-03-29
1918-06-22
1915-11-01
1925-09-20
1929-06-08
1926-05-30
1934-12-27
1924-12-21
1923-07-08
1916-06-03