If you are looking for this content legally, you can check the ATK official website (membership required).
This typically refers to the total number of individual galleries or video updates included in certain expanded versions of the archive, or sometimes the total file size (in gigabytes) in high-definition repackages. Key Themes and Appeal Authenticity: atk hairy mariam all 51 sets 54
If you are looking for a "complete text" index of her work, it generally includes: From Set 01 through Set 54+. If you are looking for this content legally,