A monograph of the Trochilid, or family of humming-birds /.London :Printed by Taylor and Francis ;1861 [i.e. 1849-1861].biodiversitylibrary.org/page/34842811
Summary[edit] Description: English: "Campylopterus curvipennis", the Curve-winged sabrewing. Mounted specimen on display at Museo Civico Craveri di Scienze Naturali, Bra, Italy. Date: 26 April 2019. Source: Own work. Author: Hectonichus.