913.7 C280 v.4 Smith, Augustus Ledyard 1901- Structure A-xviii, Uaxactun; with twentyfour plates and three text-figures [Issued March 1937](In Carnegie institution of Washington Contributions to American archaeology [Washington ] 1937. 29 x 23 cm. v. 4. no. 2 p. 1-27- illus., 24 pl. (incl. plans)) Carnegie institution of Washington .Publication no. 483 [pt. 20 ]