Riker, T.W.
The making of Roumania : a study of an international problem, 1856-1866 / T.W. Riker
Oxford University Press, 1931
 Buku Teks SO
Stoyan, P.B.
Spotlight on the Balkans / P. B. Stoyan
Foreign Policy Association, 1940
 Buku Teks SO
Boisacq, Emile
Dictionaire etymologique de la langue Grecque
Heidelberg, 1950
 Buku Referensi
Putnam, Michael T.
Coming struggle in Eastern Asia / B.L. Putnam Weale
Macmillan, 1908
 Buku Teks
Angelomatis-Tsougarakis, Helen
The eve of the Greek revival : British travellers' perceptions of early nineteenth-century Greece / Helen Angelomatis-Tsougarakis
Routledge , 1990
 Buku Teks SO