Among the artists who produced the coloured windows of León cathedral were Master Joan de Arge (A.D. 1424), Master Baldovín, and Rodrigo de Ferreras. Those of Toledo date from early in the fifteenth century, and were made by Albert of Holland, Vasco Troya, Luis Pedro Francés, Juan de Campos, and others, including the eminent Dolfín, who, according to Cean, began to work here in 1418, by order of the archbishop, Don Sancho de Rojas. The documents collected and published for the first time by Zarco del Valle tell us that on March 22nd, 1424, Dolfín received from Alfonso Martinez, treasurer and superintendent of works, two hundred gold florins and certain other moneys on account of his total payment of four hundred gold florins for "the eighth window he is making for the head of the cathedral." Other certificates of payment relating to Maestre Dolfín (as he always signed himself) are included in the same collection. By 1427 he was "defunct, God pardon him!" and the windows he had left unfinished were terminated by his assistant Lois (Louis).[109] [109] _Documentos Inéditos para la Historia de las Bellas Artes en España_, p. 282 _et seq._ In 1458, and also at Toledo, a friar named Pablo began to repair the painted windows of the _crucero_. His pay was fixed by the "abbot and superintendent of works" at fifty _maravedis_ each day, and that of "his lads, Ximeno and Juanico," at one half of this amount. Other artists engaged in the same work were Pablo (not the friar just referred to), Peter, a German, and "Master Henry," who was also German. Pablo received authority to purchase ten and a half _quintales_ and thirteen pounds of coloured Flemish glass, at two thousand _maravedis_ for each _quintal_. By a contract dated 1485 (he died between 1487 and 1493), Master Henry was handed by the cathedral authorities a sum of 150,000 _maravedis_ "to proceed to Flanders or any other part he may desire, and where good glass is to be found, white, blue, green, scarlet, purple, yellow, or blackish (_prieto_), equal in thickness to the sample which he bears, and bring us thence such quantity as he has need of for the windows of our cathedral."