Koritarova, Roza. "The Role and the Position of Trade Unions in the System of Social Administration at the Contemporary Stage: A Report." (A report delivered by Roza Koritarova, President of the Central Council of the Trade Unions at the Tenth Plenum of the Central Council of the Bulgarian Trade Unions.) Sofia: Profizdat, 1969.
Kraus, Wolfgang. "Is Bulgaria Closing the Gap?" _East Europe_, XV, No.
4, April 1966, 2-11.
Larabee, F. Stephen. "Bulgaria"s Politics of Conformity," _Problems of Communism_, XXI, No. 4, February 20, 1972, 42-53.
Lauwerys, Joseph A., and Scanlon, David G. "Education in Cities," _The World Year Book of Education_, 1970. New York: Harcourt, Brace and World, 1970.
"Liberals Under Fire," _East Europe_, XXI, No. 5, May 1972, 35.
Morgan, Dan. "Bulgaria Moving Cautiously to Better U.S. Ties,"
_Washington Post_, March 29, 1973, A15.
Mossechkov, Nedyalko. "University Library," _Bulgaria Today_ [Sofia], X, No. 7, July 1961, 25-26.
Newman, Bernard. _Bulgarian Background._ London: Robert Hale, 1961.
Olson, Kenneth E. _The History Makers._ Baton Rouge: Louisiana State University Press, 1966.
Oren, Nissan. _Revolution Administered: Agrarianism and Communism in Bulgaria._ Baltimore: Johns Hopkins University Press, 1973.
Ostoich, Peter D. _The Bulgarian Communist Party--Builder of a People"s Democratic State._ Sofia: Sofia Press, 1970.
Perl, Lila. _Yugoslavia, Romania, Bulgaria._ Camden: Thomas Nelson, 1970.
Popoff, Emil. "Bulgaria"s Young: The Silent Nihilists," _East Europe_, XVII, No. 7, July 1968, 7-11.
Rakowska-Harmstone, Teresa. "Patterns of Political Change." Pages 323-347 in Adam Bromke, and Teresa Rakowska-Harmstone (eds.), _The Communist States in Disarray, 1965-71_. Minneapolis: University of Minnesota Press, 1972.
Rothschild, Joseph. _Communist Eastern Europe._ New York: Walker, 1964.
----. _The Communist Party of Bulgaria: Origins and Development, 1883-1936._ New York: Columbia University Press, 1959.
Rusinov, Spas. _Bulgaria: A Survey._ Sofia: Sofia Press, 1969.
Schopflin, George (ed.). _The Soviet Union and Eastern Europe._ New York: Praeger, 1970.
Sharp, Samuel L., and Fedlam, Fruzsina H. _The Soviet Union and Eastern Europe, 1972._ (The World Series.) Washington: Stryker-Post Publications, 1972.
Sokolski, Alexander. "A Glance at the New Bulgarian Films," _Bulgaria Today_ [Sofia], XXI, No. 7, July 1972, 28-29.
Staar, Richard F. _The Communist Regimes in Eastern Europe._ Stanford: Stanford University Press, 1967.
----. _The Communist Regimes in Eastern Europe._ (Rev. ed.) Stanford: Stanford University Press, 1971.
_The Statesman"s Year Book, 1972-73._ (Ed., John Paxton.) London: Macmillan, St. Martin"s Press, 1972, 789-797.
_Statistical Yearbook, 1972._ Sofia, National Information Office, 1972.
Stavrianos, Leften S. _Balkan Federation: A History of the Movement Toward Balkan Unity in Modern Times._ (Smith College Studies in History XXVII, Nos. 1-4.) Northampton: Department of History, Smith College, 1942.
Sylvester, Anthony. "The Bulgarian Paradox," _East Europe_, XVII, No.
1, January 1968, 15-19.
"Television in Eastern Europe," _East Europe_, XV, No. 4, April 1966, 12-15.
Toma, Peter A. (ed.) _The Changing Face of Communism in Eastern Europe._ Tucson: University of Arizona Press, 1970.
Triska, Jan F. (ed.) _Const.i.tutions of the Communist Party-States._ Stanford: Hoover Inst.i.tution, 1968.
United Nations. "Delegations to the General a.s.sembly and the Councils Delegations to the Twenty-fifth Session of the General a.s.sembly 15 September-17 December 1970." Page 1083 in _Yearbook of the United Nations_, 1970. New York: U.N. Office of Information, 1972.
_UNESCO Statistical Yearbook, 1971._ Paris: United Nations Educational, Scientific and Cultural Organization, 1972, 700-731.
United Nations Educational, Scientific and Cultural Organization.
_World Communications: Press, Radio, Television, Film._ (4th ed.) New York: UNESCO, 1964.
United Nations. Office of Public Information. Press Section. "United Nations Bodies and Their Membership, 1972." (Press Release ORG/ 713.) May 1, 1972, 1-58.
U.S. Department of the Army. _Communist Eastern Europe: a.n.a.lytical Survey of Literature._ (DA PAM 550-8.) Washington: GPO, 1971.
U.S. Department of Commerce. Office of Technical Services. Joint Publications Research Service--JPRS (Washington). The following items are from the JPRS series _Translations on Eastern Europe: Political, Sociological, and Military Affairs_.
"Aspects of New Const.i.tution Interpreted," _Novo Vreme_, Sofia, January 1969, 1. (JPRS: 47,959, No. 93, 1969).
"Attention Called to Problems of Working Women," _Trud_, Sofia, March 14, 1972. (JPRS 55,798, No. 514, 1972).
"BCP Greetings Message Outlines Tasks of Bulgarian Propaganda,"
Sofia, December 3, 1971. (Speech by Georgi Bokov recorded on Sofia Radio.) (JPRS 54,763, No. 458, December 22, 1971).
"Book Publication Circ.u.mstances Criticized," _Partien Zhivot_, Sofia, II, February 1970. (JPRS 50,510, No. 197, March 25, 1970).
"Communist Party Courts Full Support of KOMSOMOL," _Rabotnichesko Delo_, Sofia, March 27, 1971. (JPRS 52,862, No. 339, 1971).
"Const.i.tutional Problems of People"s Councils Viewed," _Narodni Suveti_, Sofia, No. 4, 1971. (JPRS: 54,667, No. 388, 1971).
"Control Committee Scores Serious Lack of Textbooks," _Otechestven Front_, Sofia, August 1, 1970. (JPRS 51,187, No. 246, August 18, 1970).
"Czechoslovak Normalization Process Discussed," _Literaturen Front_, Sofia, No. 39, September 19, 1968. (JPRS 46,866, No. 42, November 14, 1968).
"Development of TV Relay Station Network Discussed," _Radio i Televiziya Sofia_, No. 11, 1969. (JPRS 50,112, No. 268, March 20, 1970).
"The Effectiveness of Ideological Propaganda at the Contemporary Stage," _Politichecka Prosveta_, Sofia, July 1972. (JPRS 57,025, No. 592, 1972).
"Facts, Figures on Printed Broadcast Media Published,"
_Rabotnichesko Delo_, Sofia, November 25, 1971. (JPRS 54,716, No.
456, December 16, 1971).