1. Parques nacionales y reservas afines :   Publication: Merida : Universidad de los Andes, 1973 . 221 p. : Date:1973 Availability: Copies available: Turkeyen Campus Caribbean Research Library [SB484 V4 E52] (1), Actions: Add to cart No cover image available No cover image available
2. Conservation.   Publication: Merida, Publicacion del Rectorado de la Universidad de los Andes, 1965 . 2v. Date:1965 Availability: Copies available: Turkeyen Campus Science & Technology [S936 E55] (1), Actions: Add to cart No cover image available No cover image available
3. Ecuador :   Publication: Quito, Equador : Edicion del Autor., 1970 . 116p. : , Text in Spanish and English. Date:1970 Availability: Copies available: Turkeyen Campus Education & Humanities [F3715 E42] (1), Actions: Add to cart No cover image available No cover image available