Creator
- United States. Forest Service6
- Baker, Walter Rawalt3
- Graf, Samuel Herman, 1887 3
- Leiberg, John B. (John Bernhard), 1853 19133
- Christiansen, Conrad2
- Kellogg, Royal S.2
- Rixon, Theodore F.2
- United States2
- [Author Not Identified]1
- Adams, Kate D.1
- Additon, Lucia H. Faxon1
- Allen, Ralph Wilmer1
- Alspaugh, Augustus Marshall1
- Anderson, Arvid1
- Ashe, W. W. (William Willard), 1872 19321
- Autzen, Thomas1
- Ayres, H. B. (Horace Beemer), B. 18561
- Barnes, A. H. (Albert Henry), B. 18761
- Barnett, Arthur Rex1
- Beaty, Edward Benjamin1