The lizards of the Philippine IslandsPublished in Bureau of Science Manila Publication, in 1922, in volume 17, pages 1-269The snakes of the Philippine IslandsPublished in Bureau of Science Manila Publication, in 1922, in volume 16, pages 1-312
The snakes of the Philippine IslandsPublished in Bureau of Science Manila Publication, in 1922, in volume 16, pages 1-312