- Contributions Towards a Reclassification of the Formicidae. III. Tribe Amblyoponini
- Contributions Toward a Reclassification of the Formicidae. V. Ponerinae, Tribes Platythyreini, Cerapachyini, Cylindromyrmecini, Acanthostichini, and Aenictogitini
- Revision of the Ant Tribe Dacetini. I. Fauna of Japan, China and Taiwan
- A World Revision of the Ant Tribe Basicerotini
- The Ant Genus Strumigenys Fred. Smith in the Ethiopian and Malagasy Regions













