Authors
- Graham Stuart Thomas
- Gwilym E Thomas
- Gwyn Thomas 2
- Gwynne Thomas
- H. Elwyn Thomas
- H. Kerr Thomas
- H.H. Thomas
- Harlan Thomas
- Harry Thomas
- Heather Thomas 1
- Helen Thomas
- Henry Thomas
- Herbert H. Thomas 1
- Hilary M. Thomas 1
- Horace Wyndham Thomas
- Howard Thomas
- Hugh Thomas
- Huw Thomas
- I.F. Thomas
- Ian Thomas
- Imogen Thomas
- Irene Thomas
- Iris Roderick Thomas
- Isaac Thomas
- Ivor Thomas
- Ivor B. Thomas
- J. Thomas
- J. Alun Thomas 1
- J. Bissell Thomas
- J. David Thomas
- J. Gareth Thomas
- J. Iorwerth Thomas
- J.B. Thomas
- J.B.G. Thomas
- J.C. Thomas
- J.E. Thomas
- J.F.H. Thomas
- J.H. Thomas
- J.L. Thomas
- J.M. Thomas
- J.O. Thomas
- J.P. Thomas
- James H. Thomas 1
- Jane Ellis Thomas
- Jane Resh Thomas
- Jeanie Thomas
- Jenkin Thomas 1
- Jennie Thomas
- Jeremy A. Thomas
- Jill Thomas
- Joan Gale Thomas 1
- John Thomas 3
- John E. Thomas
- John Godfrey Parry Thomas
- John Miles Thomas
- John R. Thomas
- Johnny Thomas
- Joseph Thomas
- Joseph B. Thomas
- Joseph L. Thomas 1
- Joyce Thomas
- Joyce Bissell Thomas
- Judy Thomas
- Julian Thomas 1
- K. Bryn Thomas 1
- Kathleen Thomas
- Keith Thomas 6
- Keri Thomas
- Lately Thomas
- Laura Thomas
- Lawrence Thomas
- Lee Thomas 2
- Lesley Thomas
- Leslie Thomas
- Lewis Thomas
- Liz Thomas
- Lowell Thomas 2
- Luther Rees Thomas
- Lynne Thomas
- M. L'Abbe Thomas
- M. Wynn Thomas
- M. Wynne Thomas
- M.G. Lloyd Thomas 1
- M.W. Thomas
- Mair Elvet Thomas
- Malcolm Thomas 3
- Marcel Thomas
- Margaret Thomas
- Mary Thomas 1
- Maurice Walton Thomas
- Meirion Thomas
- Michael Thomas
- Michael F. Thomas
- Michael J. Thomas
- Miles Thomas
- Millicent Thomas
- Millicent Inglis Thomas
- Montague C. Thomas
- Myfanwy Thomas
- N.W. Thomas