Two new species of frogs from BorneoPublished in Fieldiana (Zool.), in 1964, in volume 44, pages 151-159The millipeds of Panama (Diplopoda)Published in Fieldiana Zoology, in 1964, in volume 47, pages 1-136
The millipeds of Panama (Diplopoda)Published in Fieldiana Zoology, in 1964, in volume 47, pages 1-136