Kirk, Ruth. _Exploring the Olympic Peninsula._ 128 pp. Univ. of
Washington Press, Seattle, 1964. Guide to the human and natural
history of the Olympic Peninsula, including Olympic National Park.
With maps and illustrations.
Leissler, Frederick. _Roads and Trails of Olympic National Park._ 84
pp. Univ. of Washington Press. Seattle, 1957. Guide with maps; very
helpful for hikers. Written by former park ranger.