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Cooperative possibilities in improving apple sales
Observations on recent cases of mushroom poisoning in the District of Columbia
The distribution of the Rocky Mountain spotted fever tick. (Dermacentor venustus Banks)
Forestry lessons on home woodlands
The aphides affecting the apple
Statement of Dr. Headlee to be substituted for his remarks as issued in minutes of codling moth conference, January 4, 1928
Home canning of fruits and vegetables
Agricultural explorations in the fruit and nut orchards of China
List of publications of the Division of Botany
Agricultural and botanical explorations in Palestine