| Original Language | English |
| First published | 1984-08 |
| Links | https://en.wikipedia.org/wiki/The_Fourth_Protocol · /c/homevideo/film/4673/the-fourth-protocol/ |
| Notes | The Fourth Protocol is a thriller novel by Frederick Forsyth, first published in 1984. |
Editions 2
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | The Fourth Protocol | Corgi Books | Paperback | English | Great Britain | 1987 | |
 | El Cuarto Protocolo | Unknown | Spanish |