Online
Abundance, Habitat Distribution and Geographical Range of Passeriformes in Madrid (Spain). An Autoecological Approach to Bird Conservation. Luis M. Carrascal
Online
Bibliography of the Pyramidelloidea (Gastropoda: Heterostrofa) of the Spanish Mediterranean (in Spanish) (Authores: Peñas, A; Templado, J. & Martínez, J.L.)
Online
Arthropods in the Los Monegros Region of Aragón, Spain (in Spanish) Javier Blasco Zumeta
Online
Basic Bibliography for the Indentification of Ephemeroptera (in Spanish) J.A. Tercedor
Ten Years Inventorying the Iberian Fauna: Results and Perspectives M.A. Ramos, J.M. Lobo, M. Esteban)
Entomolgical Bibliography of Spanish Authors (in Spanish) (Author: Carolina Martín)
Antozoans (Cnidarians) found in the Ibero-Balearic region (in Spanish) (Authors: A. Altuna Prados & P. López-González, 2003
Bibliography of the Cnidarians of the Iberian Peninsula and Balearic Islands (in Spanish) 1 (Author: A. Altuna Prados, 2003)
Bibliography of the Cnidarians of the Iberian Peninsula and Balearic Islands (in Spanish) 2 (Author: A. Altuna Prados, 2004)