A Guide to the Birds of New England and Eastern New York; Containing a Key for Each Season and Short Descriptions of Over 250 Species, with Particular Reference to Their Appearance in the FieldRalph Hoffmann · First published 2018Open the Tome
List of birds noted in Stockbridge, Massachusetts, throughout the yearHoffmann, Ralph · First published 1914Open the Tome
A guide to the birds of New England and eastern New YorkHoffmann, Ralph · First published 1904Open the Tome
