Records of the Department of State relating to political relations between the United States and Central America, 1911-1929 [microform].

Accompanying guide has date: 1969.

Records of the Department of State relating to internal affairs of Bulgaria, 1910-1944 [microform].

Accompanying guide includes index.

Records of the Department of State relating to political relations between the United States and Guatemala, 1910-1929 [microform].

Accompanying guide has date: 1973.