THE CRYSTAL SKULL: THE STORY OF THE MYSTERY, MYTH AND MAGIC OF THE MITCHELL-HEDGES CRYSTAL SKULL, DISCOVERED IN A LOST MAYAN CITY DURING A SEARCH FOR ATLANTIS RICHARD M. GARVIN 1973
THE BOOK OF THE LIFE OF THE ANCIENT MEXICANS: CONTAINING AN ACCOUNT OF THEIR RITES AND SUPERSTITIONS ZELIA NUTTALL 1903
THE SECRET OF THE PACIFIC: A DISCUSSION OF THE ORIGIN OF THE EARLY CIVILISATIONS OF AMERICA, THE TOLTECS, AZTECS, MAYAS, INCAS, AND THEIR PREDECESSORS; AND OF THE POSSIBILITIES OF ASIATIC INFLUENCE THEREON C. REGINALD ENOCK 1912
THE KHITA AND KHITA-PERUVIAN EPOCH: KHITA, HAMATH, HITTITE, CANAANITE, ETRUSCAN, PERUVIAN, MEXICAN, ETC. HYDE CLARKE 1877
MAYA EXPLORER: JOHN LLOYD STEPHENS AND THE LOST CITIES OF CENTRAL AMERICA AND THE YUCATAN VICTOR WOLFGANG VON HAGEN 1947
AN OUTLINE DICTIONARY OF MAYA GLYPHS; WITH A CONCORDANCE AND ANALYSIS OF THEIR RELATIONSHIPS WILLIAM GATES 1931
MEXICAN ARCHAEOLOGY: AN INTRODUCTION TO THE ARCHAEOLOGY OF THE MEXICAN AND MAYAN CIVILIZATIONS OF PRE–SPANISH AMERICA THOMAS ATHOL JOYCE 1914