1. Obituary, reprints, miscellaneous
  2. Insect species A to Z, photographs and glass negatives
  3. Insect species A to Z, photographs and glass negatives
  4. Insect species A to Z, photographs and glass negatives
  5. Insect species A to Z, photographs and glass negatives
  6. Insect species A to Z, photographs and glass negatives
  7. Insect species A to Z, photographs and glass negatives
  8. Insect species A to Z, photographs and glass negatives
  9. Insect species A to Z, photographs and glass negatives
  10. Insect species A to Z, photographs and glass negatives
  11. Insect species A to Z, photographs and glass negatives
  12. Insect species A to Z, photographs and glass negatives
  13. Insect species A to Z, photographs and glass negatives
  14. Insect species A to Z, photographs and glass negatives
  15. Insect species A to Z, photographs and glass negatives
  16. Insect species A to Z, photographs and glass negatives
  17. Insect species A to Z, photographs and glass negatives
  18. Insect species A to Z, photographs and glass negatives
  19. Insect species A to Z, photographs and glass negatives
  20. Insect species A to Z, photographs and glass negatives
  21. Index
  22. Index
  23. Index
  24. Index, history of entomology, convention badges
  25. Collembola - Orthoptera I, index cards
  26. Orthoptera II
  27. Personal
  28. Original manuscript "Insects of Western North America" 1926
  29. Miscellaneous, negatives, photographs, and drawings
  30. Miscellaneous, negatives, photographs, and drawings
  31. Miscellaneous, negatives, photographs, and drawings
  32. Miscellaneous, negatives, photographs, and drawings
  33. Miscellaneous, negatives, photographs, and drawings
  34. Miscellaneous, negatives, photographs, and drawings
  35. Miscellaneous, negatives, photographs, and drawings
  36. Miscellaneous, negatives, photographs, and drawings
  37. Miscellaneous, negatives, photographs, and drawings
  38. Miscellaneous, negatives, photographs, and drawings
  39. Miscellaneous, negatives, photographs, and drawings
  40. Miscellaneous, negatives, photographs, and drawings
  41. Miscellaneous, negatives, photographs, and drawings
  42. Miscellaneous, negatives, photographs, and drawings
  43. Miscellaneous, negatives, photographs, and drawings
  44. Correspondence
  45. Correspondence
  46. Correspondence
  47. Correspondence
  48. Correspondence
  49. Correspondence
  50. Correspondence
  51. Correspondence
  52. Correspondence
  53. Correspondence
  54. Correspondence
  55. Correspondence
  56. Correspondence
  57. Correspondence
  58. Correspondence
  59. Correspondence
  60. Correspondence
  61. Correspondence
  62. Correspondence
  63. Cuts
    1. 2 bound volumes "Injurious and Beneficial Insects of California" 1919, 1915
    2. Album of correspondence