| Four brooches preserved in the library of Trinity College, Dublin | Armstrong, E. C. R. | Article in Journal | | 1915 |
| Irish seal matrices and seals | Armstrong, E. C. R. | Monograph or Collective Volume | [s.n.] | 1913 |
| On a bronze-age interment, at Furness, near Naas, Co. Kildare | Armstrong, E. C. R.Macalister, R. A. S. (Robert Alexander Stewart)Praeger, R. | Article in Journal | | 1914 |
| Processional cross, pricket-candlestick, and bell, found together at Sheephouse, near Oldbridge, Co. Meath | Armstrong, E. C. R. | Article in Journal | | 1915 |
| Seals of Kildare bishops and dignitaries | Armstrong, E. C. R. | Article in Journal | | 1914 |
| The bell shrine of St Senan, known as the Clogán Óir | Armstrong, E. C. R. | Article in Journal | | 1919 |
| Wooden book with leaves indented and waxed found near Springmount Bog, Co. Antrim | Armstrong, E. C. R. | Article in Journal | | 1920 |