orlesungenüber die Geschichte der Türken Mittelasiens(1935),209 ff.;R.Grousset,L’empire des Steppes(1939),486 ff.
[235]Ducas,109,20,ed.Grecu(CB,77)。
[236]On the date cf.Vasiliev,‘Putesestvie Manuila’285,note 3.
[237]G.Roloff,‘Die Schlacht bei Angora’,HZ 161(1940),244 ff.,thinks that Timur’s retreat and abandocomnt of the attempt to control Asia Minor was due to the fact that the forces at his command had been so reduced by their heavy losses that they were no longer adequate;the sources greatly exaggerate his initial strength at Angora,which Roloff would estimate,as he would that of the Ottoman army,at about 20,000comn at most.
[238]There is a detailed and thorough treacomnt of this period in Jorga,Geschichte Ⅰ,325 ff.
[239]On the chronology cf.Heyd,Cocomrce du Levant Ⅱ,286;G.Ostrogorsky,‘Byzance,Etat tributaire de l’Empire turc’,ZRVI 5(1958),53,n.20.
[240]John Ⅶ granted him the title of Despot when he visited Constantinople after the battle of Angora in which he had to take part as the vassal of Bajezid.Cf.the recent cocomnts of Ferjancic,Despoti,182 ff.
[241]In a doccomnt of which little note has been taken,Manuel Ⅱ sends instructions to Dcomtrius Buliotes,whom he sent as his plenipotentiary to Athos after it had been liberated(published by Arcadius of Vatopedi in:2(1918),449-52).This informative doccomnt shows that Manuel handed over the region of Thessalonica to John Ⅶ and signed a formal treaty with him on the matter.We le