Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 381-392
Published in Proc. US Natl. Mus., in 1901, in volume 23, pages 469-470
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 473-481
Published in Proceedings of the United States National Museum, in 1901, in volume 23, pages 483-491
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 493-579
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 591-592
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 619-651
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 653-658
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 659-668
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 697-713
Published in Proceedings of the United States National Museum, in 1901, in volume 23, pages 735-738
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 771-778
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 779-833
Published in Proceedings of The United States National Museum, in 1901, in volume 23, pages 835-836
Published in Proceedings of the United States National Museum, in 1901, in volume 23, pages 891-913
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1215, pages 393-449
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1216, pages 451-466
Published in Proc U. S. Nat. Mus., in 1901, in volume 23, issue 1217, pages 467-468
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1223, pages 581-590
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1225, pages 593-618
Published in Proc. U. S. Nat. Mus., in 1901, in volume 23, issue 1231, pages 715-717
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1233, pages 725-734
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1235, pages 739-769
Published in Proceedings of the United States National Museum, in 1901, in volume 23, issue 1239, pages 837-890
Published in Proceedings of the United States National Museum, in 1901, in volume 24, pages 1-20
Published in Proceedings of the United States National Museum ., in 1901, in volume 24, pages 21-25
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 133-134
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 163-178
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 179-192
Published in Proceedings of the United States National Museum, in 1901, in volume 24, pages 199-206
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 207-210
Published in Proceedings of the United States National Museum, in 1901, in volume 24, pages 211-215
Published in Proc. U. S. Nat. Mus., in 1901, in volume 24, pages 217-227
Published in Proceedings of the United States National Museum, in 1901, in volume 24, pages 229-264
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 265-270
The fossil fresh-water shells of the Colorado Desert, their distribution, environment, and variation
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 271-299
Published in Proceedings of The United States National Museum, in 1901, in volume 24, pages 301-307
Published in Proceedings of the United States National Museum, in 1901, in volume 24, issue 1244, pages 33-132
Published in Proceedings of The United States National Museum, in 1901, in volume 24, issue 1246, pages 135-162