Area Handbook for Bulgaria

by Eugene K. Keefe; Violeta D. Baluyut; William Giloane; Anne K. Long; James M. Moore; Neda A. Walpole

Dobrin, Boguslav. Bulgarian Economic Development Since World War II. New York: Praeger, 1973.

Koleva, M. "Size, Structure and Efficiency of Production Funds Invested in Dairy Cattle Breeding." Ikonomika Selskoto Stopanstvo [Sofia], August 1971, 71-83.

Narodna Respublika Bulgariya. Tsentralno Statistichesko Upravlenie pri Ministerskiya Suvet. Statisticheski Godishnik na Narodna Respublika Bulgariya, 1963. Sofia: Sofia Press, 1963.

——. Tsentralno Statistichesko Upravlenie pri Ministerskiya Suvet. Statisticheski Godishnik na Narodna Respublika Bulgariya, 1966. Sofia: Sofia Press, 1966.

——. Tsentralno Statistichesko Upravlenie pri Ministerskiya Suvet. Statisticheski Godishnik na Narodna Respublika Bulgariya, 1968. Sofia: Sofia Press, 1968.

——. Tsentralno Statistichesko Upravlenie pri Ministerskiya Suvet. Statisticheski Godishnik na Narodna Respublika Bulgariya, 1971. Sofia: Sofia Press, 1971.

——. Tsentralno Statistichesko Upravlenie pri Ministerskiya Suvet. Statisticheski Godishnik na Narodna Respublika Bulgariya, 1972. Sofia: Sofia Press, 1972.

Osborne, R. H. East-Central Europe. New York: Praeger, 1967.

Pick, Franz. Pick's Currency Yearbook, 1972. New York: Pick Publication, 1972.

Pounds, Norman J. G. Eastern Europe. Chicago: Aldine, 1969.