Kolev, G. (2013). 3RD Lessedra Internationl Painting & Mixed Media Competition: The Catalogue presents 232 Artists from 40 countries. Lessedra Gallery.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKolev, Georgi. 3RD Lessedra Internationl Painting & Mixed Media Competition: The Catalogue Presents 232 Artists from 40 Countries. Sofia: Lessedra Gallery, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKolev, Georgi. 3RD Lessedra Internationl Painting & Mixed Media Competition: The Catalogue Presents 232 Artists from 40 Countries. Lessedra Gallery, 2013.
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