1. Obituaries and miscellaneous papers
  2. Photographs, newspaper articles, daily log, personal papers
  3. Chitons
  4. Correspondence, California State Department of Agriculture, Bureau of Entomology
  5. Manuscripts, published material, "Birds I Have Seen", 1908
  6. Correspondence - A
  7. Correspondence - B
  8. Correspondence - B
  9. Correspondence - B
  10. Correspondence - B
  11. Correspondence - C
  12. Correspondence - C
  13. Correspondence - C
  14. Correspondence - C
  15. Correspondence - D-E
  16. Correspondence - E-F
  17. Correspondence - G
  18. Correspondence - H
  19. Correspondence - I-J
  20. Correspondence - K-L
  21. Correspondence - L-Mc
  22. Correspondence - Me-O
  23. Correspondence - P
  24. Correspondence - R
  25. Correspondence - S-So
  26. Correspondence - So-Sw
  27. Correspondence - T-Th
  28. Correspondence - Th-V
  29. Correspondence - W-Z
  30. Correspondence, cave snails, fossil chiton, California Malacological Society
  31. Manuscripts - Galapagos snails, etc.
  32. Galapagos International Project 1964, diary, field notes, cards
  33. Conch. Club of Southern California, American Mac. Union
    1. Additional undescribed boxes