1. W. NEILSON JONES Plant Chimaeras and Graft Hybrids Methuen and
Company, London
2. SHEAR-LANOLIN As a Wound Dressing for Trees Proc. Am. Soc. Hort. Sci.
34, 286-8 (1937)
3. HORNER, KOPPA and HERBST--Mercurial Fungicide Wax Problems Ind. Eng.
Chem, 37 1069-73 (1945)
4. U. S. BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE--E-409--June 1937. A
method for preventing insect injury to material used for posts, poles,
and rustic construction.
5. E-434--May 1938, An efficient method for introducing liquid chemicals
into living trees.
6. E-467--February 1939, Chemicals and methods used in treatments of
trees by injections, with annotated bibliography.
7. Conn. Agr. Expt. Sta.--Cir. No. 123--July, 1938 The use of water
soluble preservatives in preventing decay in fence posts and similar
materials.
8. U. S. D. A.--Cir. No. 605--June, 1941 The internal application of
chemicals to kill elm trees and prevent bark-beetle attack.
9. FOREST PRODUCTS LABORATORY--November, 1938 A primer on the chemical
seasoning of Douglas fir.
10. REPRINT FROM JOURNAL OF FORESTRY--Vol. 35--March, 1937 (Procured
from Forest Products Laboratory) Seasoning transverse tree sections
without checking.