| An archaeological and art historical investigation of the supposed tenth-century hiatus in Irish art | Johnson, Ruth Claire | Thesis | | 1998 |
| Ballinderry crannóg no 1 : a reinterpretation | Johnson, Ruth | Article in Journal | | 1999 |
| County Dublin Archaeology GIS: a research resource for medieval Dublin | Johnson, Ruth | Article in Book | | 2019 |
| Decorated wood from Temple Bar West, Dublin | Johnson, Ruth | Article in Book | | 2002 |
| Dublin: The Making of a Medieval City | Clarke, Howard B.Dent, SarahJohnson, Ruth | Monograph or Collective Volume | O'Brien Press | 2019 |
| Dublinia : the story of medieval Dublin | Clarke, Howard B.Dent, SarahJohnson, Ruth | Monograph or Collective Volume | O'Brien Press | 2002 |
| From Norse gods to Norman knights: preliminary analysis of an incised slate from The Coombe, Dublin 8 | Johnson, Ruth | Article in Book | | 2023 |
| Ireland and the Viking age | Clarke, Howard B.Johnson, Ruth | Article in Book | | 2015 |
| Irish Crucifixion plaques - Viking Age or Romanesque | Johnson, Ruth | Article in Journal | | 1998 |
| Mind the gap : the supposed hiatus in Irish art of the tenth century | Johnson, Ruth | Article in Book | | 2015 |
| Monastic tenants, Viking raiders and Hiberno-Norse townspeople | Clarke, Howard B.Johnson, Ruth | Article in Book | | 2023 |
| On the dating of some early-medieval Irish crosiers | Johnson, Ruth | Article in Journal | | 2000 |
| The Vikings in Ireland and beyond : before and after the Battle of Clontarf | | Monograph or Collective Volume | Four Courts | 2015 |
| Viking age Dublin | Johnson, Ruth | Monograph or Collective Volume | Townhouse | 2004 |