A comparison of formative cultures in the Americas : difusion or the psychic unity of man /

by Ford, James Alfred 1911-1968, Ford, James Alfred 1911-1968
Published 1969

Método cuantitativo para establecer cronologías culturales

by Ford, James Alfred 1911-1968, Ford, James Alfred 1911-1968
Published 1962

Archeological regions of Colombia : a ceramic survey /

by Bennett, Wendell Clark 1905-1953, Bennett, Wendell Clark 1905-1953, Ford, James Alfred 1911-1968
Published 1944