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Conservation of the soil. (Address of President Taft before the National Conservation Congress, at Kansas City, Mo., September 25, 1911.)
Detectives at work
Seeds and Plants Imported From April 1 to June 30, 1911 : Plant Inventory No. 27; Nos. 30462 to 31370
Directory of officials and organizations concerned with the protection of birds and game, 1913
Protecting ferns from insect pests
"Hot house" treatment rids home of pesky moth
When insects invade home quick action is advisable
Care of ferns in the home
Farmers' foes and their remedies
The Acarina or mites. A review of the group for the use of economic entomologists