@book {44161, title = {Instructions for collecting bird ectoparasites}, series = {Information Leaflet}, volume = {477}, year = {1967}, month = {1967}, pages = {12pp.}, publisher = {Smithsonian Institution}, organization = {Smithsonian Institution}, address = {Washington, DC}, url = {https://phthiraptera.myspecies.info/sites/phthiraptera.info/files/44161.pdf}, author = {Watson,G. E. and Amerson,A. B.,Jr.} }