Brockman, Frank C. _Trees of Mount Rainier National Park._ 49 pp.
Univ. of Washington Press. Seattle, 1949. (Popular.) Excellent guide
to identification of trees which also occur in Olympic National
Park. Written by former chief park naturalist.
Lyons, Chester P. _Trees, Shrubs and Flowers to Know in Washington._
211 pp. J. M. Dent. Vancouver, Canada, 1956. (Popular.) Well
illustrated aid to identification of most of the plants in the park.
Sharpe, Grant and Wenonah Sharpe. _101 Wildflowers of Olympic National
park._ 40 pp. Univ. of Washington Press. Seattle, 1954. (Popular.)
Excellent inexpensive guide to the most conspicuous flowers the
visitor will see. Written by a former ranger-naturalist.