Biodiversity Heritage Library
By "Spaulding, Perley, 1878-"
Diseases of deciduous forest trees / by Hermann von Schrenk and Perley Spaulding.
By: Von Schrenk, Hermann, - Spaulding, Perley,
Publication info: Washington :G.P.O.,1909.
Contributed by: NCSU Libraries (archive.org)
New facts concerning the white-pine blister rust /
By: Spaulding, Perley,
Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1914.
Contributed by: U.S. Department of Agriculture, National Agricultural Library