Somel, Selcuk Aksin, author
Scarecrow Press, 2012
Buku Teks
Todorova, Elissaveta
Sofia press, 1987
Buku Teks
edited by Gabor Agoston, Bruce Masters
Facts On File, 2009
Buku Referensi
Faroqhi, Suraiya, 1941-, author
I.B. Tauris, 2016
Buku Teks
Turnbull, Stephen R., author
Osprey, 2003
Buku Teks