Tepexpan man [by] Helmut de Terra, Javier Romero [and] T.D. StewartHelmut De Terra · First published 1949Open the Tome
Bibliographie des deutschsprachigen Schrifttums von und über Pierre Teilhard de Chardin, 1955-1964Helmut De Terra · First published 1945Open the Tome
Humboldt The Life And Times Of Alexander Von Humboldt 1769-1859HELMUT DE TERRA · First published 1955Open the Tome
The ice age in the Indian subcontinent and associated human culturesHelmut De Terra · First published 2003Open the Tome
Studies on the ice age in India and associated human culturesHelmut De Terra · First published 1939Open the Tome
