Most of Bartolo's works are religious works of art. Throughout his career Andrea imitated his father's paintings. While he worked on projects jointly with his father, he developed an independent style. Other collaborations were with
Luca di Tommè. Andrea di Bartolo's creativity is a continuation of the work of his father, who in turn drew on the tradition of Siena, begun by
Duccio and
Simone Martini. Still Andrea's own style can also be recognised early on. Andrea had a more summary drawing style and a softer modeling technique than his father and paid less attention to naturalistic detail and expressionism. Andrea's style remained solidly rooted in the Sienese traditions. However, if required he could absorb foreign influences, in particular in his commissions from the Venetian region. For instance, his
Coronation of the Virgin (Venice,
Ca' d'Oro) shows in its iconography and rich ornamental elements the influence of Venetian painting. His later work shows the influence of
Taddeo di Bartolo,
Martino di Bartolomeo and
Spinello Aretino. This is also evident in his manuscript illuminations, in which he showed himself more independent from the style of his father. ==References==