Medieval Arts & Crafts: brick stitch. Kathy Storm's blog "Medieval Arts & Crafts." Great links to websites & blogs, in addition to patterns she creates.
Medieval Arts & Crafts: Pattern #21. The inspiration for this pattern is the tiled roof of the Hôtel-Dieu in Beaune, France (part of Burgundy). The building was built as a charitable almshouse in 1443 by Nicholas Rolin, chancellor to Duke Philip the Good of Burgundy. The current tiles were recreated from 1902-7 in the original style.