1843. "East Building, Casa de las Monjas, Uxmal, Room inside Central Doorway" Vol.I, facing p.308" (outside doorway at left, doorway to back room at right; doorway to a small side room in end wall).       
Closely based on Catherwood’s 1841-42 on-site drawing, published in Stephens, Incidents of Travel in Yucatan, 1843.