Angelov, D. (1993). The Bogomilism. Sofia: „Bulvest-2000“. (In Bulgarian)
Andreev, Y., Iv. Lazarov, Pl. Pavlov (1994). Who is Who in Medieval Bulgaria. Historical Guide. Sofia: „Prosveta“ (in Bulgarian).
Bakalov, G. (2006). Church and State in Bulgarian History. In State & Church - Church & State in Bulgarian History. Sofia: University Publishing House „St. Kliment Ohridski” (in Bulgarian).
Beron, P. (1847[1824]). Bulgarian Primer with numerous Preaches (in Bulgarian). Bobchev, St. (1998 [1910]). History of Old Bulgarian Legislation. Lectures and Studies. Albatros Publishing House (in Bulgarian).
Bozhkov, A., A. Vasilev (1981). The Art Heritage of the Zograf Monastery. Sofia: „Science and Art“ Publishing House (in Bulgarian).
Busilin, G. (1844), Bulgarian Primer. Moscow: University Press. (in Bulgarian). Dimkov, N. (1993), Bugarian Revival Texts. Shumen (in Bulgarian).
Dimitrov, Str., N. Zhechev, V. Tonev (1988). History of the Dobrudzha Region. Vol. 3, Sofia: Publishing House of the Bulgarian Academy of Sciences (in Bulgarian).
Duychev, Iv. (compiler) (1940). Old Bulgarian Literature. Vol. 1 „Literary and historical legacy from the First Bulgarian Kingdom“. Sofia: „Hemus“ Publishing House (in Bulgarian).
Duychev, Iv. (compiler) (1944). Old Bulgarian Literature. Vol. 2 „Literary and historical legacy from the First Bulgarian Kingdom“. Sofia: „Hemus“ Publishing House (in Bulgarian).
Duychev, Iv. (1947). The Saint from Rila and his Monastery. Sofia (in Bulgarian). (1853). Church Primer or Primary Literature Education. Tsarigrad: „Patriarsh Typography“ (in Bulgarian).
Evtimiy, Patriarh (1990). Literary Works. Sofia: „Science and Art “ Publishing House (in Bulgarian)
Ekzarh, Al. (1843). Scripts about Bulgarians, Paris (in Bulgarian).
Ivanov, Y. (1931). Old Bulgarian works in Macedonia. Sofia (in Bulgarian).
Ivanova, K. (Compiler and Editor) (1986). Old Bulgarian Literature, Vol. 4. Sofia: „Balgarian Writer“ Publishing House (in Bulgarian).
Karayanopulos, Y. (1992). The Byzantine Political Theory. Sofia: University Publishing House „St. Kliment Ohridski” (in Bulgarian).
Koev, T., G. Bakalov (1992). Fundamentals of Christian Religion. Sofia: „Bulvest – 2000“ (in Bulgarian).
Mutafchiev, P. (1934). Pop Bogomil and Saint Ivan Rilski. The Spirit of Negation in our History. – Philosophic Review, Year. 4, Issue. 2 (in Bulgarian).
Mutafchiev, P. (1992). History of the Bulgarian People. Sofia: Publishing House of the Bulgarian Academy of Science (in Bulgarian).
Nikolov, G. (2005). Central and Regional Aspects of Early Medieval Bulgaria (late VII, early XI century). Sofia: Academic Publishing House „Marin Drinov” (in Bulgarian).
Ognyanovich, K. (1844). Primer or Primary Education of Children, beginning to learn the Holy Script. Tsarigrad: „T. Davichyan“ Publishing House (in Bulgarian).
Ostrogorski, G. (1998 [1963]). History of the Bulgarian State. Sofia: „Prozorets“ Publishing House (in Bulgarian).
Paisiy, Hieromonk (1911 [1762]). Slav-Bulgarian History. Sofia: Publishing House of the Bulgarian Academy of Science (in Bulgarian).
Parteniy, Levkiyski Bishop (1974). Lives of Bulgarian Saints (translated into contemporary Bulgarian language). Vol. 1-2, Sofia: Publishing House of the Holy Synod (in Bulgarian).
Petkanova-Toteva, D. (1965). The Damascenes in the Bulgarian Literature. Sofia: Publishing House of the Bulgarian Academy of Science (in Bulgarian).
Petkanova, D. (2006). The Multifaceted Middle Ages. V. Tarnovo: „Abagar“ Publishing House (in Bulgarian).
Petkova, I. (2005). Data on social social assistance and charity in the Bulgarian lands under Ottoman Rule on the territory of Bachkovo Monastery. - In: "Social assistance and social activities in Bulgaria. History, institutions, ideologies, names". Collected Works with reports from conference, held on 17-18 September 2004. Blagoevgrad: Univeristy Publishing House „Neofit Rilski” (in Bulgarian).
Petrov, P., V. Gyuzelev (compilers) (1978). Reader in Bulgarian History, Vol. 2. Sofia: „Science and Art “ Publishing House (in Bulgarian).
Pletnyov G., Iv. Stoyanov (compilers) (1988). Plans and Programmes for the National Liberation Movement during the Bulgarian Revival Period. V. Tarnovo (in Bulgarian).
Polizov, A. (1824). Primer for Teaching Young People. Exact Reprint of Moscow Primer. Bucarest (in Russian).
Popovich, R. (1837). Christianity (in Bulgarian).
Snegarov, Iv. (1946), Short History of Contemporary Orthodox Christian Churches (Bulgarian, Russian and Serbian), Vol. 2. Sofia: University Press (in Bulgarian).
Spiridon, yeroshi monk (1792 [1900]). Short History of Bulgarian People in Slovenia. Compiler for publishing: V. N. Zlatarski, Sofia: Publishing House of Govedarov & Co. (in Bulgarian).
Hrulev, T. (1850). Primer or Primary Education with Various Useful Instructions for Human Life. Budin: Royal Typography. (in Russian).
Ermis, F. (2014). A History of Ottoman Economic Thought. Developments before nineteenth century. London and New York: Routledge.
Laiou, A. (editor-in-chief) (2002). The Economic History of Byzantium: From the Seventh through the Fifteenth Century. Wasington D.C.: Dumbarton Oaks Research Library and Collection.
Pashkov, A. (ed.) (1964). A History of Russian Economic Thought: Ninth through Eighteenth Centuries. Edited and translated from the Russian by John M. collaboration of Basil Dmytryshyn and Richard A. Pierce. Berkeley: University of California Press.
