Higher education in Mexico : history growth, and problems in a dichotomized industry / by Thomas Noel Osborn II.
The high priest¦s grave, Chichen Itza, Yucatan, Mexico : a manuscript / by Edward H. Thompson. Prepared for publication, with notes and introduction by J. Eric Thompson
The Hieroglyphic Stairway : ruins of Copan : report of explorations by the Museum / by George Byron Gordon
Hierbas del Ecuador : plantas medicinales = Herbs of Ecuador : medicinal plants / [por Alan White ; dibujos Gerald Strasser ; traducción y original por Secretariat].