Eastern Bluebird: Birds of North America species account
Patricia Adair Gowaty and Jonathan H. Plissner.
Western Bluebird: Birds of North America species account
Judith A. Guinan, Patricia A. Gowaty, & Elsie K. Eltzroth.
Mountain Bluebird: Birds of North America species account
Harry W. Power & Michael P. Lombardo.
Women of the Cloud Forest Field Bag: Eastern Towhee
Why Do Bluebirds Hate Me
O'Connor, Mike
Stokes Bluebird Book: The Complete Guide to Attracting Bluebirds
Stokes, Donald; Stokes, Lillian
Bluebirds and Their Survival
Davis, Wayne H.; Roca, Philippe
Bluebirds : Their Daily Lives and How to Attract and Raise Bluebirds
Dew, Tina; Dew, Curtis; Layton, R.B.
