Aves Brasileiras: volume one (all published).
Sao Paulo: Dalgas-Ecoltec Ecologica Tecnica, 1981. Octavo, colour plates, softcover, inscribed by the author for Ian Rowley.
Text in Portugese.
Sao Paulo: Dalgas-Ecoltec Ecologica Tecnica, 1981. Octavo, colour plates, softcover, inscribed by the author for Ian Rowley.
Text in Portugese.