Estudios preliminares sobre la fauna malacologica de las Islas Filipinas [microform]. - Hidalgo y Rodriguez, Joaquin Gonzales 1839-1923. (Quezon City Photoduplication Service. University of the Philippines Library, 1976)
At head of title : Obras malacologicas. Pt.I.
Madrid Originally published by L. Aguado, Madrid,1890-1903.
Keywords: Mollusks -- Philippines