1. Number 404 - Biology of Pherbellia (Diptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1969 Format: Issue
2. Number 408 - Comparative Morphological Studies of the Ants, with Particular Reference to the Mouthparts (Hymenoptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1969 Format: Issue
3. Number 409 - Biology of the Gall Midge Rhopalomyia Hirtipes O.S. (Diptera: Memoir Collection: Core Historical Literature of Agriculture Publisher: Cornell University, Agricultural Experiment Station Publication Place: Ithaca, N.Y. Date: 1969 Format: Issue