G.S. · George J., Jr. Sheridan · George J. Sheridan Jr. · George S.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| An Alphabet of the Celts: A Complete Who's Who of Celtic F.C. | 978-0-9514862-7-6 (0-9514862-7-6) | 1994 | Eugene Macbride · Martin O'Connor |
| Celtic the Encyclopaedia | 978-1-906134-15-0 (1-906134-15-4) | 2008 | Tom Campbell |
| Essential History of Celtic F.C. | 978-0-7553-1141-5 (0-7553-1141-8) | 2002 | Graham McColl |
Argyll Publishing · Headline · Polar Print Group Ltd