An image of "Bedford Book of Hours", created by Master of the Duke of Bedford from 1423-30 (Manuscript , 260 x 180 mm).

An image of "Bedford Book of Hours", created by Master of the Duke of Bedford from 1423-30 (Manuscript , 260 x 180 mm).

An image of "Bedford Book of Hours", created by Master of the Duke of Bedford from 1423-30 (Manuscript , 260 x 180 mm).

An image of "Bedford Book of Hours", created by Master of the Duke of Bedford from 1423-30 (Manuscript , 260 x 180 mm).

An image of "Book of Hours", created by Master of the Duke of Bedford during the 1430's (Manuscript , 170 x 120 mm).

An image of "Book of Hours", created by Master of the Duke of Bedford during the 1430's (Manuscript , 170 x 120 mm).

An image of "Book of Hours", created by Master of the Duke of Bedford during the 1430's (Manuscript , 170 x 120 mm).

An image of "Book of Hours", created by Master of the Duke of Bedford during the 1430's (Manuscript , 170 x 120 mm).

An image of "Tristan and Isolde", created by Master of the Duke of Bedford, c. 1410 (Manuscript , 477 x 355 mm).

An image of "Tristan and Isolde", created by Master of the Duke of Bedford, c. 1410 (Manuscript , 477 x 355 mm).

An image of "Tristan and Isolde", created by Master of the Duke of Bedford, c. 1410 (Manuscript , 477 x 355 mm).