Huaylas, un distrito andino en pos de progreso /

by Doughty, Paul Larrabee
Published 1970

Peru : a cultural history /

by Dobyns, Henry Farmer 1925-2009
Published 1976

Chronic cannabis use in Costa Rica /

by Carter, William E., Carter, William E., Coggins, Wilmer J.
Published 1976

Latin America : perspectives on a Region /

by Hopkins, Jack W., Hopkins, Jack W.
Published 1987