Terracotta pan tile (A 951) in the Agora Museum. Isometric drawing ... Gorham P. Stevens ... O-265 O-265 Dirty Cartridge Paper Drafting Ink Pencil ... 1949
Plan, section, and elevation of the Tile Standard ... G. P. Stevens ... PD 1747 ... 1949
Isometric drawing of a terracotta pan tile ... G. P. Stevens ... PD 1748 ... 1949
Terracotta cover tile ... G. P. Stevens ... PD 1749 ... 1949