The Formation of a Nationalist Bulgarian Intelligentsia, 1835-1878, Modern European history: a Garland series of outstanding dissertations, Thomas A. Meininger, Garland Pub., 1987, ISBN 0824080289, p. 75.
The Making of a Nation in the Balkans: Historiography of the Bulgarian Revival, Rumen Daskalov, Central European University Press, 2004, ISBN 9639241830, pp. 152-155.
