CHAPTER 4 SOURCES The inquiry into the Cycle of the Life and Passion of Christ in the Bible ofAvila continues by investigating the possible iconographic and stylistic sources that the Master of the Cycle of the Life and Passion of Christ could have seen and that might have inspired him to produce the cycle. In this preliminary study, iconographic and stylistic sources have been found from the 10th to the 12th century coming from Spain. A great number of sources can be found in Spain along the pilgrimage road to Santiago de Compostela, along the territorial boundaries of the kingdom of Castile and Leon with the Muslim territories, and possibly along the ivory trade routes (see map Fig. 13). Throughout these areas there are a number of religious buildings--churches, monasteries, hermitages, etc.-that contain either sculpture in the form of historiated capitals or tympana, mural paintings, manuscripts, or small scale objects, such as ivory shrines, reliquaries, caskets, metalwork or arks, that resemble certain iconographic and stylistic aspects found in the Cycle of the Life and Passion of Christ in the Bible of Avila, and that could have been a source of inspiration for the artist. The present study will begin by suggesting possible sources starting with the general iconographic characteristics and the surviving cycles of the Life and Passion of Christ that might contain one or more scenes that are similar to the Cycle of the Life and Passion of Christ in the Bible ofAvila. This discussion will be followed by a description of the possible sources for the style of the Master of the Cycle of the Life and Pa~ssion of Christ. Finally, this chapter will consider the many motifs that could have inspired the