913.7 C280 V.1 Ruppert , Karl Temple of the wall panels , Chichen Itzá , by Karl Ruppert. With 18 plates and 2 text figures. (In Carnegie institution of Washington. Contributions to American archaeology (Washington) 1931. 29 X 23 cm v. 1 ( no.3) p. 117-140 . ilus. 18 pl. (incl. plans) Carnegie institution of Washington. Publication no. 403.