Report on colonization and land use in Costa Rica with special reference to the four areas : Cañas Gorda--Coto Brus, Fortuna--Arenal, Cubujuqui--Carvajal, Talamanca Valley /

by Holdridge, L. R. (Leslie Rensselaer), 1907-
San José, Costa Rica : [s.n.], 1964

Life zone ecology /

by Holdridge, L. R. (Leslie Rensselaer), 1907-
San Jose, Costa Rica : Tropical Science Center, 1967
Rev. ed.

Arboles de Costa Rica.

by Holdridge, L. R. (Leslie Rensselaer), 1907-
San José : Centro Científico Tropical, 1975

Trees of Puerto Rico ... /

by Holdridge, L. R. (Leslie Rensselaer), 1907-
[Rio Piedras?] : U.S. Dept. of Agriculture, Forest Service, Tropical Forest Experiment Station, 1942

Quasi-stellar objects in a cyclic universe /

by Holdridge, L. R. (Leslie Rensselaer), 1907-
San Jose, Costa Rica : Tropical Science Center, 1969

Arboles de Costa Rica /

by Holdridge, L. R. (Leslie Rensselaer), 1907-, Poveda Alvarez, Luis J.
San José, Costa Rica : Centro Científico Tropical, 1975

República de Costa Rica, mapa ecológico

by Tosi, Joseph A.
San José, Costa Rica : Centro Científico Tropical, 1969

Forest environments in tropical life zones; a pilot study

Oxford, New York, Pergamon Press 1971
1st ed.].

The forests of western and central Ecuador.

Washington : [publisher not identified], 1947

Mapa ecológico de Bolivia : memoria explicativa /

by Unzueta Q., Orlando
La Paz : Republica de Bolivia, Ministerio de Asuntos Campesinos y Agropecuarios, División de Suelos, Riegos e Ingeniera, 1975

Mapa ecológico de Bolivia

La Paz : Instituto Geográfico Militar, 1975

Ecological life zones of Puerto Rico and the United States Virgin Islands

[Rio Piedras, P.R.] : [The Institute], 1973