A monograph of the Hirundinidae : or family of swallows
London, Printed for the authors, 1885-1894
University Library, University of Illinois Urbana Champaign
University of Illinois Urbana-Champaign
A mixture of colored and monochrome plates. Incomplete; lacks p.2 of Hirundo leucosoma through pp.1-3 of Hirundo dimidiata.
Public domain. The BHL considers that this work is no longer under copyright protection.