Map of the Ottoman and Byzantine forces during the siege of Constantinople, from 6 April 1453 to 29 May 1453. French version.
Background: File:Byzantine Constantinople.svg by Cplakidas under licence GFDL or CC-BY-SA 3.0
Disposition of forces: La chute de Constantinople by René Guerdan, Historia N°328 , march 1974.
Informations given by Spartan 117
Sémhur (talk)