| Title | Date | Author/Editor | Publisher/Pub. Series | ISBN/Catalog ID | Price | Pages | Format | Type | Cover Artist | Verif |
|---|---|---|---|---|---|---|---|---|---|---|
| Engel Portfolio | date unknown | Hannes Bok | Jean Engel | [7] | other?The publication format is non-standard. The details are usually provided publication notes. |
non-fic |  |