Mammals of the Pacific NorthwestJames R. Christensen, Earl J. Larrison · First published 1982Open the Tome
Washington wildflowers, including 1134 species of wildflowers most commonly found in the State of Washington and adjacent areas of Oregon, Idaho, and British ColumbiaEarl J. Larrison · First published 1974Open the Tome
Wildlife of the Northern Rocky MountainsWilliam H.; Larrison, Earl J.; Yocom, Charles; Baxter, Iain J.W. Baker · First published 1961Open the Tome
