| Author | Titles | | 1.
| Bolton, Reg | 1 | | 2.
| Bolton, Richard, 1950- | 1 | | 3.
| Bolton, Richard, 1956- | 2 | | 4.
| Bolton, Rick, 1956- | 0 | | 5.
| Author is: Bolton, Richard, 1956- | 2 | | 6.
| Bolton, Roy | 1 | | 7.
| Bolton, William | 1 | | 8.
| Bolton-Smith, Robin | 2 | | 9.
| Boltshauser, Ana Maria | 1 | | 10.
| Boltshauser, Roger 1964 - | 1 | | 11.
| Boltz, Ulrich | 1 |
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