Staar, Richard F. _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, 1971._ Sofia, National Information Office,
1971.

_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.

Stillman, Edmund (and the Editors of Life). _The Balkans_ (Life World
Library Series.) New York: _Time_, 1964.

Stoyanov, Lludmil. "Poet, Humanist and Fighter," _Bulgaria Today_
[Sofia], XXI, No. 7, July 1972, 22.

Sylvester, Anthony. "The Bulgaria Paradox," _East Europe_, XVII, No.
1, January 1968, 15-19.

Todorov, Nikolai. "Pencho Koulekov, an Original Master of Graphic Art"
_Bulgaria Today_ [Sofia], XXI, No. 5, May 1972, 32.

_UNESCO Statistical Yearbook, 1971._ Paris: United Nations
Educational, Scientific and Cultural Organization, 1971, 59.

U.S. Department of Army. _Communist Eastern Europe: Analytical 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:
Economic and Industrial Affairs_.

"Analysis of Changes in Average Family Budget Made," _Otechestven
Front_, Sofia, March 27, 1973. (JPRS 58,842, No. 874, 1973.)

"Dynamics of Personal Income Described, 1965-70," _Ikonomicheski
Zhivot_, Sofia: December 16, 1970. (JPRS 52,476, No. 424, 1971.)

"Household Income, Consumption Statistics Given," _Statistika_,
Sofia, No. 5, September-October 1970. (JPRS 52,106, No. 397,
1971.)

"Light Ministry Plans to Supply Lacking Goods Revealed,"
_Otechestven Front_, Sofia, May 7, 1972. (JPRS 56,742, No. 727,
1972.)

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_.

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