H. K. (Harold Kaufman) 1891- Plank

• Insect and Other Animal Pests of Cinchona and Their Control in Puerto Rico; No. 46
• Life History, Habits, and Control of the Coconut Rhinoceros Beetle in Puerto Rico; No. 45
• Studies of Factors Influencing Attack and Control of the Bamboo Powder-Post Beetle; No. 48