• support of the Macedonian Bulgarians, the new Greek authorities included Ivan Duychev in a list of Bulgarian, Italian, and German military and other individuals...
    6 KB (379 words) - 15:26, 29 October 2024
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    codice Vaticano), In: Codice Vaticano graeca 2014 (XII s.) ff. 119–22; Ivan Duychev (1936) New Biographic Data on the Bulgarian Expedition of Nicephorus...
    17 KB (1,939 words) - 01:30, 10 August 2024
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    WITH POPE INOCENTIUS III.″ (Translated from Latin by Mikhail Voynov, Ivan Duychev) [2] Kǎnev, Petǎr (2002). "Religion in Bulgaria after 1989". South-East...
    109 KB (12,664 words) - 07:01, 10 December 2024
  • painting in manuscript form. The first one is kept in the Professor Ivan Duychev Center of Slavic-Byzantine Studies in Sofia. It is an original work written...
    20 KB (2,157 words) - 13:47, 21 September 2024
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    ISBN 0816019738. Ivan Duychev (Иван Дуйчев) (1972). Bulgarian Middle Ages (Българско средновековие). Sofia: Наука и Изкуство. p. 430. Ivan Bozhilov (Иван...
    102 KB (12,216 words) - 05:29, 8 January 2025
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    Ann Arbor, Michigan: University of Michigan Press. ISBN 0472081497. Duychev, Ivan (2017) [1960]. Greek Sources on Bulgarian History. Vol. III. Sofia:...
    34 KB (2,654 words) - 00:49, 29 October 2024
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    saints associated with Bulgaria"), part I, Zograf Monastery, 2005. I. Duychev, G. Tsankova-Petkova et al., Гръцки извори за българската история (ГИБИ...
    14 KB (1,849 words) - 17:56, 3 January 2025
  • 7th-14th Centuries (in Bulgarian). Sofia: Anubis. ISBN 954-426-204-0. Duychev, I. (1954–1965). "Volume II". Latin Sources on Bulgarian History - LIBI...
    32 KB (4,161 words) - 19:39, 28 October 2024
  • electronic edition (in Bulgarian). Sofia: Trud, Sirma. ISBN 954528613X. Duychev, Ivan; collective (1960). Latin Sources for Bulgarian History (LIBI), volume...
    11 KB (1,264 words) - 22:18, 28 October 2024