Asia Minor: Abulfeda; Ainsworth; Baedeker; Belon; Bergeron; Bertrandon de la Broquière; Bruun; Busbecq; Chardin; Cholet; Cuinet; Edrisi; Evlia Tchelebi; Fresne-Canaye; Ghillebert de Launoy; Hadji Khalfa; Hellert; Houzeau; Huart; Huber; Ibn Batutah; Macarius; Mandeville; Marco Polo; Michelant; Mostras; Naumann; Nicolay; Ortellius; Ramsay; Rennell; Sarre; Schiltberger; Seiff; Shehabeddin; Sidi Ali Ibn Hussein; Tavernier; Tchihatcheff; Texeira; Texier; Trémeaux; Vivien de St. Martin.
Ibn Batutah is the best contemporary authority.
Constantinople and Balkan Peninsula: Abulfeda; Baedeker; Belgrano; Belon; Bergeron; Boué; Bruun; Busbecq; Clavijo; Hadji Khalfa; Hammer; Hellert; Huber; Jireček; Macarius; Manutio; Miklositch; Mostras; Nicolay; Olivieri; Ortellius; Sathas; Schiltberger; Sefert; Sidi Ali Ibn Hussein; Tafel; Tozer.
Clavijo is the best contemporary authority for Constantinople in the latter part of the reign of Bayezid.
I have listed only those whose works I have referred to, or who seem to me to have intimate, direct bearing on the subject. Many others, however, could be consulted to advantage. See Potthast, Bibliotheca Historica Medii Aevi, ii. 1734-5.
Seljuk Historians.
Ahmed Ibn Yusuf; Houtsma (editor); Ibn-Bibi; Mirkhond (Mirkhwand).
Early Arabic, Persian, and Armenian Historians.
Ahmed Ibn Yusuf; Ahmed Ibn Yahia; Hayton; Ibn al Tiktaka; Ibn Khaldun; Khondemir; Makrisi; Mirkhond (Mirkhwand); Mohammed-en-Nesawi; Reshideddin; Texeira; Anon. Derbend Namé.
Ottoman Historians and Chroniclers.