Liguori, Jerry books & textbook
Hawks from Every Angle: How to Identify Raptors In Flight
Princeton University Press /2005-10-02 Paperback / 129 Pages
isbn-10: 0691118256 / isbn-13: 9780691118253
The Crossley ID Guide Raptors (The Crossley ID Guides)
Crossley, Richard Liguori, Jerry Sullivan, Brian L.
Princeton University Press /2013-04-07 Flexibound / 288 Pages
isbn-10: 0691157405 / isbn-13: 9780691157405
Hawks at a Distance: Identification of Migrant Raptors
Princeton University Press /2011-04-03 Paperback / 208 Pages
isbn-10: 0691135592 / isbn-13: 9780691135595
