| Introduction |
| 886.01 | Introduction to backmarks |
| 886.02 | Introduction to the backmarks of cartes de visite |
| 886.03 | Introduction to the backmarks on cabinet cards |
| 886.04 | Stereographs, Introduction to the backmarks on stereographs |
| Awards |
| 886.05 | Cartes de visite: Backs: Awards |
| 886.06 | Cabinet cards: Backs: Awards |
| Miscellaneous |
| 886.07 | Cartes de visite: Backs: Additional products |
| 886.08 | Cartes de visite: Backs: Change of business ownership |
| 886.09 | Cartes de visite: Backs: Catalogue pages |
| 886.10 | Cartes de visite: Backs: Diverse occupations |
| 886.11 | Cartes de visite: Backs: Landscapes |
| 886.12 | Cartes de visite: Backs: Product promotion |
| Women photographers |
| 886.13 | Cartes de visite: Backs: Women photographers |
| Photography and the arts |
| 886.14 | Cartes de visite: Backs: Graphics that place photography with the arts |
| 886.15 | Cabinet cards: Backs: Graphics that place photography with the arts |
| Motifs |
| 886.16 | Cartes de visite: Backs: Strap and buckle |
| 886.17 | Cartes de visite: Backs: Egyptian motifs |
| 886.18 | Cartes de visite: Backs: Shared graphic motifs |
| 886.19 | Cabinet cards: Backs: Shared graphic motifs |
| Photographic studios |
| 886.20 | Cartes de visite: Backs: Photographic studios |
| 886.21 | Cabinet cards: Backs: Photographic studios |
| 886.22 | Cartes de visite: Backs: Photograph cars |
| Missing studio details |
| 886.23 | Cartes de visite: Backs: Missing studio details |
| 886.24 | Cabinet cards: Backs: Missing studio details |
| Royal patronage |
| 886.25 | Cartes de visite: Backs: Royal patronage |
| 886.26 | Cabinet cards: Backs: Royal patronage |
| Services |
| 886.27 | Cartes de visite: Backs: Elevator available |
| 886.28 | Cartes de visite: Backs: Negatives preserved, copies made and enlargements |
| 886.29 | Cartes de visite: Backs: Teaching available |
| 886.30 | Cabinet cards: Backs: Electric light |
| Whimsy |
| 886.31 | Cartes de visite: Backs: Whimsy |
| 886.32 | Cabinet cards: Backs: Whimsy |
LuminousLint 
@LuminousLint