How to know the ducks, geese and swans of North AmericaCharles B. Cory · First published 1897Open the Tome
Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural HistoryCharles B. Cory · First published 1919Open the Tome
Notes on little known species of South American birds with descriptions of new subspeciesCharles B. Cory · First published 1917Open the Tome
Descriptions of new birds from South America and adjacent islandsCharles B. Cory · First published 1915Open the Tome
Descriptions of twenty-eight new species and subspecies of neotropical birds. --Charles B. Cory · First published 1913Open the Tome
The birds of eastern North America known to occur east of the nineteenth meridian ..Charles B. Cory · First published 1899Open the Tome
The birds of eastern North America known to occur east of the ninetieth meridianCharles B. Cory · First published 1899Open the Tome