Meggers Betty J.

1951.- A Pre-Columbian Colonization of the Amazon. (Archaeological Inst. of America, Vol. 4, Nº 2, pp. 110-114). Cambrigde, Mass., 1951.

1957.- Las culturas Marajoaras y del Río Napo. (Cuadernos de Historia y Arqueología, Vol. VII, Nº 19, 20-21. pp. 240-242). Guayaquil, 1957.

1962.- Emilio Estrada. (Nota necrolíogica). (Reprinted from American Antiquity, Vol. 28, Nº 1, pp. 78-81). Salt Lake City, 1962.

1964.- North and South American cultural connections and convergences. (Prehistoric Man in the New World, pp. 511-526). 1964.

MEGGERS, BETTY Y EVANS, CLIFFORD, 1957.- Archaeological investigations at the mouth of the Amazon. (Bureau of American Ethnology, Bull, 167).- Washington, D. C. , 1957.

1958.- Archaeological evidence of a prehistoric migration from the mauth of the Amazon (in Migrations in New World Culture History by Raymond H.). Tompson.- Tucron, 1958.

1962.- The Machalilla Culture: an early formative complex on the Ecuadorian Coast. American Antiquity, Vol. XXVIII, pp. 186-192). Salt Lake City, 1962.

1963.- Aboriginal cultural development in Latin America: An interpretative review. (Smith Misc. Coll., Vol. 146, Nº 1 ). VI, 148 pp. mapas. Washington, 1963.

MEGGERS, BETTY J., EVANS, CLIFFORD, AND ESTRADA EMILIO, 1965.. Early Formative Period of Coastal Ecuador: The Valdivia and Machalilla Phases. (Smithsonian Institution). XIX, 234 pp. 195 lams., 115 ilustr. Washington, 1965