Published in Annals of the Carnegie Museum, in 1901, in volume 1, pages 128-144

Published in Annals of the Carnegie Museum, in 1901, in volume 1, pages 256-262

Published in Annals of the Carnegie Museum, Pittsburgh, in 1901, in volume 1, pages 265-294

Published in Annals of the Carnegie Museum, in 1901, in volume 1, pages 327-341