| An atlas for Celtic studies : archaeology and names in ancient Europe and early medieval Ireland, Britain, and Brittany | Karl, RaimundKoch, John T.Minard, AntoneÓ Faoláin, Simon | Monograph or Collective Volume | Oxbow Books | 2007 |
| Celtic culture : a historical encyclopedia | | Monograph or Collective Volume | ABC-Clio | 2006 |
| Celtic from the west : alternative perspectives from archaeology, genetics, language and literature | | Monograph or Collective Volume | Oxbow | 2010 |
| Celts, Britons and Gaels : names, peoples and identities | Koch, John T. | Article in Journal | | 2003 |
| Eriu, Alba, and Letha : when was a language ancestral to Gaelic first spoken in Ireland? | Koch, John T. | Article in Journal | | 1991 |
| Introduction | Cunliffe, BarryKoch, John T. | Article in Book | | 2010 |
| On Celts calling themselves 'Celts' and related questions | Koch, John, T. | Article in Journal | | 2009 |
| Paradigm shift? Interpreting Tartessian as Celtic | Koch, John T. | Article in Book | | 2010 |
| Prosody and the old Celtic verbal complex | Koch, John T. | Article in Journal | | 1987 |
| Tartessian, Europe's newest and oldest Celtic language | Koch, John | Article in Journal | | 2009 |
| The Celtic heroic age : literary sources for ancient Celtic Europe and early Ireland and Wales | | Monograph or Collective Volume | Celtic Studies Publications | 2000 |
| The conversion and transition from primitive to Old Irish, c.367-c.637 | Koch, John T. | Article in Journal | | 1995 |
| The early chronology for St Patrick (c.351 - c. 428) : some new ideas and possibilities | Koch, John T. | Article in Book | | 2003 |