Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--History--War of 1912-1913--Campaigns--Sources.
Crosson-Duplessix, Charles-Gaston, 1865-1931. Siège de Janina.
Iōannina (Greece)--History--20th century--Sources.
Princeton subject headings:
Balkan Peninsula--History--War of 1912-1913--Campaigns--Sources.
Iōannina (Greece)--History, Military--20th century--Sources.