Categories:

1. ANL HT (anal intercourse, heterosexual)	24. GRP HT (group heterosexual)
2. AN HT (analinctus, heterosexual)	25. H FEMALE (homosexual female)
3. ANAT (anatomical study)	26. H MALE (homosexual male)
4. ANIMAL	27. HUMOR
5. ANTHRO (anthropology)	28. FETISH
6. ANUS MALE	29. M FEMALE (masturbation female)
7. CABINET (cabinet card portrait)	30. M MALE (masturbation male)
8. CATALOG MALE & FEMALE	31. MALE FIGURE
9. CINE ILLUSTRATIONS	32. NUDISM
10. CINE (film stills)	33. MEDICAL
11. CLERIC	34. PET HT (heterosexual petting)
12. C (COITUS)	35. PHOTOMONTAGE
13. DAGUERREOTYPES	36. PRISONER
14. DANCE	37. PORTRAIT DICKINSON/SEX RESEARCHERS
15. DANCE BALLET	38. PR FEMALE (female prostitutes)
16. ER FACIAL (erotic facial expression)	39. SDM (sadomasochism)
17. FEMALE FIGURE	40. SCAT (scatology)
18. FEMALE FIGURE XG (covered genitals)	41. SELF-STIM FEMALE BR
19. MALE FIGURE XG	42. STEREO (stereograph card)
20. NUDE G (exposed genitals)	43. STRIPTEASE FEMALE
21. G & C (genitalia in coitus)	44. TV (transvestite)
22. MALE GENITALIA	45. TATOO
23. GO (genital/oral)	46. Z (zoophilia)