Strategies for Monitoring Terrestrial Animals and HabitatsRichard Holthausen, Raymond Czaplewski, Don DeLorenzo, Greg Hayward, Winifred Kessler · First published 2012Open the Tome
The contribution of federal and non-federal habitat to persistence of the northern spotted owl on the Olympic Peninsula, WashingtonRichard S. Holthausen · First published 1995Open the Tome
