| Author | Titles | 1.
| Armstrong, Anthony, pseud. | 1 | 2.
| Armstrong, Benjamin, 1975- | 1 | 3.
| Armstrong, Carol | 5 | 4.
| Armstrong, Carol M. | 1 | 5.
| Armstrong, Christine Megan | 1 | 6.
| Armstrong, Christopher Drew | 1 | 7.
| Armstrong, David, 1954-2014 | 3 | 8.
| Armstrong, Elizabeth | 4 | 9.
| Armstrong, Fergus | 1 | 10.
| Armstrong, Gary | 1 |
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