Published in Philippine Journal of Science, in 1922, in volume 19, pages 439-515

Created: 2012-07-20, modified: 2012-07-20

Published in Philippine Journal of Science, in 1922, in volume 19, pages 517-521

Created: 2012-07-20, modified: 2012-07-20

Published in Philippine Journal of Science, in 1922, in volume 19, pages 523-627

Created: 2012-07-20, modified: 2012-07-20

Published in Philippine Journal of Science, in 1922, in volume 19, pages 665-676

Created: 2012-07-20, modified: 2012-07-20

Published in Philippine Journal of Science, in 1922, in volume 20, pages 519-542

Created: 2010-11-21, modified: 2023-02-16

Published in Philippine Journal of Science, in 1922, in volume 20, pages 543-597

Created: 2010-11-21, modified: 2023-02-16

Published in Philippine Journal of Science, in 1922, in volume 21, pages 57-85

Created: 2010-11-21, modified: 2023-02-16

Published in Philippine Journal of Science, in 1922, in volume 21, pages 161-206

Created: 2010-06-27, modified: 2023-02-16

Published in Philippine Journal of Science, in 1922, in volume 21, pages 257-303

Created: 2012-11-15, modified: 2012-11-15

Published in Philippine Journal of Science, in 1922, in volume 21, pages 373-384

Created: 2010-10-26, modified: 2023-02-16

Published in Philipp. Journal Sci, in 1922, in volume 21, pages 385-413

Created: 2013-09-18, modified: 2013-09-18

Published in Philippine journal of science, in 1922, in volume 21, pages 569-596

Created: 2014-01-25, modified: 2014-01-25