| Issue | #v2#7 [19] |
| Published | December 1941 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | David Adams |
| Notes | #19 (V. 2 #7) |
| Pencils | Bob Davis |
| Inks | Bob Davis |
| Notes | #19 (V. 2 #7) |
| Script | Bob Davis |
| Pencils | Bob Davis |
| Inks | Bob Davis |
| Pencils | Alan Mandel |
| Inks | Dan Barry |
| Notes | Inks credit from Jim Vadeboncoeur, Jr. on 16 June 2004; original inks credit: Alan Mandel. |
| Pencils | John Jordan? |
| Inks | John Jordan? |
| Script | Henry Kiefer |
| Pencils | Henry Kiefer |
| Inks | Henry Kiefer |
| Script | Ray Gill |
| Pencils | Harold DeLay |
| Inks | Harold DeLay |
| Notes | Script credit from Jim Vadeboncoeur, Jr. on 16 June 2004. |
| Script | Irving Werstein |
| Pencils | Bill O'Connor (signed) |
| Inks | Bill O'Connor (signed) |
| Letters | Typeset |
| Notes | illustration by Bill O'Connor; Story title, pencils, inks, and colors information provided by Jim Vadeboncoeur, Jr. on 16 June 2004; original story title listed as "The Secret Fortress [Part One]"; original colors credited to Irving Werstein; illustration previously only credited in the notes |
| Script | Bill O'Connor |
| Pencils | Ben Flinton |
| Inks | Leonard Sansone |
| Script | Ray Gill |
| Notes | last appearance; Pencils and inks corrected by Jim Vadeboncoeur, Jr. on 16 June 2004; original pencil and ink credit: Paul Gustavson |
| Pencils | Bill Brady |
| Inks | Bill Brady |
| Notes | Pencils and inks credits provided by Jim Vadeboncoeur, Jr. on 16 June 2004. |
| Script | Jack A. Warren |
| Pencils | Jack A. Warren |
| Inks | Jack A. Warren |
| Pencils | John Daly |
| Inks | John Daly |