Das Hochaltarretabel in Rom bis zum frühen 16. Jahrhundert: Das Altarbild als Kategorie der liturgischen Anlage.

S. Maria del Popolo: 86, 97-101, 103, 108-9; S. Agostino: 101, 109-110; S. Matteo in Merulana: 109. 'Surveys the architectural and liturgical reasons why retables for main altars in Roman churches did not constitute an "indigenous" tradition. The principal basilicas did not have a main altarpiece, in contrast to some monastic churches, which also tended to have a different disposition... S. Maria del Popolo with the sculpted retable by Andrea Bregno (now in the sacristy)' (BHA).