Hand-list of genera and species of birds : distinguishing those contained in the British Museum /
London :printed by order of the Trustees,1869-1871.
University of California Libraries (archive.org)
Public domain. The BHL considers that this work is no longer under copyright protection.
Evidence reported by judyjordan for item handlistofgenera02britrich on April 3, 2007: no visible notice of copyright; stated date is 1870.