scholarly journals A laboratory manual of agriculture for secondary schools, by Leland E. Call and E.G. Schafer.

1912 ◽  
Author(s):  
Leland Everett Call ◽  
E. G. Schafer
Science ◽  
1910 ◽  
Vol 31 (797) ◽  
pp. 544-544
Author(s):  
J. F. WOODHULL

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