The Bishoujo Senshi Sailor Moon Settei Shiryoushuu (“Materials Collection”) was published by Kodansha two years following the end of the manga series. The collection contains rough sketches and character designs, some of which never made it into the final product. There are also new full color illustrations introducing each story arc’s section, never-before-published color illustrations used for Sailor Moon products, black & white sketches that were the basis of anime illustrations, and a bonus story called “Parallel Sailormoon“.
Scanlations with the liner notes are available at The Oracle
The 104 color illustrations were scanned by myself; the “Parallel Sailormoon” bonus manga pages were donated by sailorvenus.has.it.
These black & white illustrations appear after the color section. The first two images from this section (pages 106 and 107) are missing from my set of scans.