Catalogus conchyliorum quæ reliquit D. Alphonso d'Aguirra & Gadea Comes de Yoldi: Regis daniæ cubiculariorum princeps, ordinis dannebrogici in prima c (in Latin)
Mörch, O. A. L. (Otto Andreas Lowson) ; Aguirra, Alphonso D' ; Gadea
Wentworth Press, Paperback, New