Stan Tekiela's Birding for Beginners: Pacific Northwest: Your Guide to Feeders, Food, and the Most Common Backyard Birds a book by Stan Tekiela
The Philadelphia Bird Food Company's Book of Cage Birds. Their diseases and the proper remedies for treating them; with instructions for breeding and keeping them in constant health and song.
100 PLANTS TO FEED THE BIRDS: Turn Your Home Garden into a Healthy Bird Habitat - HamiltonBook.com
Mazuri Small Bird Diet Food, 25 lbs. | Petco
The Bird Table Book: A Guide to Food and Shelter for Wild Birds: Tony Soper: Amazon.com: Books