Donald & Lillian Stokes
From Amazon
The Hummingbird Book: The Complete Guide to Attracting, Identifying, and Enjoying Hummingbirds The Hummingbird Book: The Complete Guide to Attracting, Identifying, and Enjoying Hummingbirds – Little Brown and Company. View on Amazon
Stokes Guide to Bird Behavior, Volume 1 – Bird behavior; Bird courtship; Bird territorial behavior; Bird life histories; Birds. View on Amazon
Stokes Beginner's Guide to Birds: Eastern Region (Stokes Field Guide Series) – Little Brown and Company. View on Amazon