edited by Norman I. Platnick, contributors, Gustavo Hormiga, Peter Jäger, Rudy Jocqué, Norman I. Platnick, Martín J. Ramírez, Robert J. RavenPrinceton University Press2020<RA6-D7>
by Maarten J. Raven ; with the collaboration of David A. Aston ... [et al.] ; with plans and sections by Kenneth J. Frazer ; and photographs by Peter Jan BomhofNational Museum of Antiquities Leiden1991