Agent X9 9 comic books
| 1 of 2 in stock | Secret Agent X-9 (1934 McKay) | #1-2 | David McKay Publishing | 1934 |
| In stock | Secret Agent X-9 (1936 Whitman BLB) | 1144 | Whitman | 1936 |
| 0 of 2 in stock | Secret Agent X-9 (1992 JAL) | #1-2 | JAL | 1992 |
| Out of stock | Secret Agent X-9 (Australian c.1970 Page Publications) | #27 | Page Publications | 1970 |
| In stock | Secret Agent X-9 (Nostalgia Press) | 1976 | 1976 | |
| In stock | Secret Agent X-9 and the Mad Assassin (1938 Whitman BLB) | 1472 | Whitman | 1938 |
| In stock | Secret Agent X-9 Feature Book (1937 McKay) | #8 | David McKay Publishing | 1937 |
| Out of stock | Secret Agent X-9 HC (2015 IDW) The Complete 1930s Comic Strip | #1 | IDW Publishing | 2015 |
| Out of stock | Secret Agent X-9 TPB (1990 Kitchen Sink) | #1 | Kitchen Sink | 1990 |
| In stock | Secret Agent X-9: The Fixer (1980 Pacific Comics Club) | #1 | Pacific Comics Club | 1980 |
| Out of stock | Secret Agent X-9: The Phantom Plane (1980 Pacific Comics Club) | #1 | Pacific Comics Club | 1980 |
| 0 of 6 in stock | X-9 Secret Agent Corrigan HC (2010 IDW) | #1-6 | IDW Publishing | 2010 - 2015 |
