| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Language in Pictland the case against the "non-Indo-European Pictish" | 978-90-802785-5-4 (90-802785-5-6) | 1997 |
| Studies in "The Book of Deer" | 978-1-85182-569-1 (1-85182-569-X) | 2000 |
Katarina Frost · Katarina Frostenson · Katharina Förster · Katharina Forster · Katharine Frost · Katherine Forest · Katherine Forrest · Katherine Froggatt · Katherine Frost · Katherine Stuart Forsyth · Katrin Först · Katrin Förster · Katrin Frost · KATRINA FROSTENSON · Katriona Forrester