John V.A. Fine Jr., The Late Medieval Balkans.

John V. A. Fine, Jr., The Late Medieval Balkans, Ann Arbor, 1987.

The early Medieval Balkans: A Critical Survey from the 6th to the Late 12th Century.

Fine, John, V.A. (1983), The Early Medieval Balkans, Ann Arbor.

The Late Medieval Balkans: A Critical Survey from the Twelfth Century to the Ottoman Conquest.

John V. A. Fine, The Early Medieval Balkans, Ann Arbor, 1983.

According to The Late Medieval Balkans (1987) by John V.A. Fine, the marriage was part of an alliance between her stepfather Boril and Henry.

Religion and culture in medieval Bosnia, from "The Late Medieval Balkans" by John V.A Fine, Jr.

The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth century.

Fine, John Van Antwerp, The Late Medieval Balkans, University of Michigan Press, 1994.