^John Van Antwerp Fine Jr. (1994). The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest. University of Michigan Press. ISBN 978-0-472-08260-5.
^Walter Rüegg, ed. (2011). "Universities founded in Europe between 1945 and 1995". Universities Since 1945. History of the University in Europe. Vol. 4. Cambridge University Press. ISBN 978-1-139-49425-0.
^Raymond Detrez (2015). Historical Dictionary of Bulgaria (3rd ed.). Rowman & Littlefield. ISBN 978-1-4422-4180-0.
^"Bulgaria". Europa World Year Book 2003. Europa Publications. 10 July 2003. ISBN 978-1-85743-227-5.
^"Population of capital cities and cities of 100,000 and more inhabitants". 1995 Demographic Yearbook. New York: United Nations Department for Economic and Social Information and Policy Analysis, Statistics Division. 1997. pp. 262–321.
^Bulgarian police detain 120 after mosque attack, Reuters, 14 February 2014
Dimiter Mihailov & Pancho Smolenov (1986). "Plovdiv". Bulgaria: a Guide. Translated by E. Yanev & R. Yossifova. Sofia: Collet's, Sofia Press – via Internet Archive. (fulltext)
Alexander Kiossev [in Bulgarian] (2006). "Plovdiv". In Marcel Cornis-Pope; John Neubauer (eds.). History of the Literary Cultures of East-Central Europe. John Benjamins. pp. 124–144. ISBN 978-90-272-9340-4.
Jonathan Bloom; Sheila Blair, eds. (2009). "Plovdiv". Grove Encyclopedia of Islamic Art & Architecture. Oxford University Press. ISBN 978-0-19-530991-1.
External linksedit
Wikimedia Commons has media related to Plovdiv.
Items related to Plovdiv, various dates, via Europeana.