| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Birds of British Columbia and the Pacific Northwest: A Complete Guide | 978-1-927527-56-6 | 2016 | Richard Cannings · Hal Opperman |
| Birds of Southwestern British Columbia | 978-1-894384-96-4 | 2008 | Richard Cannings · Hal Opperman |
| Birds of the Puget Sound Region | 978-0-9640810-2-4 | 2003 | Bob Morse · Hal Opperman |
| Birds of the Willamette Valley Region | 978-0-9640810-4-8 | 2004 | Harry Nehls · Hall Opperman |
T.A. · Tim Avers · Toni Aberson · Toni Aparicio · Tony Avirgan
Heritage House Publishing · Heritage House Publishing Co. Ltd. · R. W. Morse Company