Georges Chassiotis, L'instruction publique chez les Grecs, 1881, pp. 13–33 (full text) "Depuis 1453 jusqu'en 1821"
René Puaux, The sorrows of Epirus, Hurst & Blackett, London, 1918, p. 103: (referring to Greeks in Epirus under Ottoman rule, 1913) "No Greek book printed at Athens was allowed into schools. Everything had to come from Constantinople. Greek history was forbidden. Accordingly, they gave extra lessons in secret, and at these, without book or paper, the little Epirote learnt to know his motherland, its national hymn, ..."
argolikivivliothiki.gr
Fanis Kakridis, Άσκηση από-απομυθοποίησης: Το Κρυφό Σχολειό, Δωδώνη: Φιλολογία (University of Ioannina) 308-309:279-295 full text
Meselidis Stylianos, Teachers, History Wars and Teaching History Grade 6 in Greece, in Joseph Zajda, Globalization, Ideology and Education Policy Reforms, Springer, 2010, p. 47.. Quotation marks as in the source.
Meselidis Stylianos, Teachers, History Wars and Teaching History Grade 6 in Greece, in Joseph Zajda, Globalization, Ideology and Education Policy Reforms, Springer, 2010, pp. 39-48
Λόγος προτρεπτικός προς Έλληνας (Inspirational speech to the Greeks)», in Λόγοι εκκλησιαστικοί εκφωνηθέντες εν τη γραικική εκκλησία της Οδησσού, κατά το 1821–1822 έτος (Religious speeches declaimed in the greek church of Odessa, in the year 1821-1822), Berlin, 1833, p. 252. In Greek language.
web.archive.org
Hellinomnimon Project: "Greek Higher Schools (1620-1821)". University of Athens. [2]Archived January 5, 2006, at the Wayback Machine