King, A. David, “Homage to an Ottoman Sultan: Two Astrolabes Dedicated to Bayezit II”, in Halit Eren, Mustafa Kaar, Zeynep Durukal (eds) Essays in honour of Ekmeleddin ?hsano?lu, vol. 2 (Istanbul: IRCICA 2006), 439-460.
King, A. David, "Homage to an Ottoman Sultan: Two Astrolabes Dedicated to Bayezit II", in Halit Eren, Mustafa Kaar, Zeynep Durukal (eds) Essays in honour of Ekmeleddin ?hsano?lu, vol. 2 (Istanbul: IRCICA 2006), 439-460.