"Study of Services in Burgas Area Reviewed," _Narodni Suveti_, Sofia, No. 1, 1970. (JPRS 50,150, No. 197, 1970).
U.S. Department of State. Bureau of Intelligence and Research.
_Educational and Cultural Exchanges Between Communist and Non-Communist Countries in 1970._ (Research Study RSES-34.) Washington: 1971.
U.S. Department of State. Bureau of Public Affairs. Office of Media Services. "Educational and Cultural Exchange Between Communist and Non-Communist Countries in 1971." (News Release.) December 8, 1972.
U.S. Department of State. Geographer. Office of Research in Economics and Science. _Bulgaria-Greece Boundary._ (International Boundary Study, No. 56). Washington: 1965.
Wolff, Robert Lee. _The Balkans in Our Time._ Cambridge: Harvard University Press, 1956.
_World Christian Handbook, 1968._ (Eds., H. Wakelin c.o.xill and Kenneth G. Grubb.) New York: Abingdon Press, 1967.
_World of Learning, 1972-73._ London: Europa Publications, 1973, 207-212.
_World Population Data Sheet, 1972._ Washington: Population Reference Bureau, 1972.
Yovkov, Yordav. _Short Stories._ (Trans., Monco Mincoff and Marguerite Alexieva.) Sofia: Foreign Language Press, 1965.
(Various issues of the following periodicals were also used in the preparation of this section: _Bulgaria Today_ [Sofia], 1967-1972; and _East Europe_ [New York], 1965-1973.)
Section II. Political
Antonoff, Nicolas. _The Bulgarian Crisis._ New York: Mid-European Studies Center, 1953.
----. _The Const.i.tutional Evolution of Bulgaria._ New York: Mid-European Studies Center, 1953.
Black, Cyril E. _The Establishment of Const.i.tutional Government in Bulgaria._ Princeton: Princeton University Press, 1943.
Blemenfeld, Yorick. _Seesaw: Cultural Life in Eastern Europe._ New York: Harcourt, Brace and World, 1968.
Bromke, Adam. "The CSCE and Eastern Europe," _World Today_ [London], XXIX, No. 5, May 1973, 196-206.
Brown, James F. "Bulgaria." Pages 11-15 in Richard F. Staar (ed.), _Yearbook on International Communist Affairs, 1973._ Hoover Inst.i.tution Press, 1973.
----. _Bulgaria Under Communist Rule._ New York: Praeger, 1970.
Bulgaria. Central Council of the Trade Unions. _Bulgaria Traditions_, Sofia, 1971.
Bulgaria. Laws, Statutes, etc.
_Const.i.tution of the People"s Republic of Bulgaria._ Sofia: Sofia Press, 1971.
Bulgaria. State Information Office with the Council of Ministers.
_Statistical Pocket Book, 1970._ Sofia: Sofia Press, 1970.
"Bulgaria," _East Europe_, XVII, No. 2, February 1968, 25-26.
"Bulgaria: History". Pages 385-400 in _Encyclopaedia Britannica_, IV.
Chicago: William Benton, 1969.
"Bulgaria: Introductory Survey." Pages 570-588 in _The Europa Yearbook, 1972_, I. London: Europa Publications, 1972.
"Bulgarian Books Abroad," _Bulgaria Today_ [Sofia], XVI, No. 10, October 1967, 10.
"Bulgarian Television," _Bulgaria Today_ [Sofia], XV, No. 2, February 1966, 36-50.
"Bulgaria." Pages 41-50 in Moshe Sachs (ed.), _Worldmark Encyclopedia of the Nations_, V: Europe. New York: Harper and Row, 1967.
"Bulgaria." Pages 789-796 in _Statesman"s Yearbook, 1971-72_. London: Macmillan, 1973.
"Bulgaria." Pages 205-206 in _The World of Learning, 1972-73_. London: Europa Publications, 1973.
Cary, William. _Bulgaria Today._ New York: Exposition Press, 1965.
Costello, Michael. "Bulgaria." Pages 135-157 in Adam Bromke and Teresa Rakowska-Harmstone (eds.), _The Communist States in Disarray, 1965-71_. Minneapolis: University of Minnesota Press, 1972.
Davis, Fitzroy, "Bulgarian Filmmakers: Looking for a Place in the Cinematic Sun," _East Europe_, XX, No. 3, March 1971, 29-35.
Dellin, L. A. D. (ed.) _Bulgaria: East-Central Europe Under the Communists._ New York: Praeger, 1957.
d.i.n.kova, Maria. _The Social Progress of the Bulgarian Woman._ Sofia: Sofia Press, 1972.
Dobrev, Georgi Mihailov. "Library Organization in Bulgaria," _UNEs...o...b..lletin for Libraries_, IX, No. 8-9, August-September 1955, 161-164.
_Editor and Publisher International Year Book, 1972._ New York: Editor and Publisher, 1971.
"Exposing the "Pseudo-Marxists"," _East Europe_, XVIII, No. 7, July 1969, 29-30.
Feron, James. "Ideology on Decline in Eastern Europe," _New York Times_, March 22, 1973, A-15.
Fischer, Lewis A. "COMECON and the Brezhnev Doctrine," _East Europe_, XXI, No. 10, October 1972, 4-7.
Georgeoff, Peter J. _The Social Education of Bulgarian Youth._ Minneapolis: University of Minnesota Press, 1968.
Gloghinski, Bogdan (ed.). _Meet Bulgaria and Its Trade Unions._ (Trans., Petko Drenkov, et al.) Sofia: Profizdat, 1966.
Gsovski, V. (ed.) "Bulgaria: Motion Pictures Under New Regulations,"
_Highlights of Current Legislation and Activities in Mid-Europe_, II, No. 3, March 1, 1954, 55-60.
Gyorgy, Andrew. "External Forces in Europe." Pages 221-235 in Adam Bromke and Teresa Rakowska-Harmstone (eds.), _The Communist States in Disarray 1965-71_. Minneapolis: University of Minnesota Press, 1972.
Kane, Robert S. _Eastern Europe: A to Z._ New York: Doubleday, 1968.
Karadelkov, Petko. "The Fires of Mount Bouzloudja," _Bulgaria Today_ [Sofia], XX, No. 8, August 1971, 3-4.
----. "The Founders of the Bulgarian Communist Party," _Bulgaria Today_ [Sofia], XX, No. 8, August 1971, 2.
Kharalampi, Georgiev H. _The Bulgarian Agrarian Union: Seventy Years Since the Foundation._ Sofia: Sofia Press, 1970.