| Sengoídelc: Old Irish for Beginners D Stifter Syracuse University Press, 2006 | 83 | 2006 |
| Early Irish D Stifter The Celtic Languages, 55-116, 2009 | 38 | 2009 |
| The Celtic World. Critical Concepts in Historical Studies D Stifter, R Karl Routledge, 2007 | 25* | 2007 |
| The language of the poems of Blathmac D Stifter The Poems of Blathmac: Reassessments. Ed. P. Ó Riain, 47-103, 2014 | 24 | 2014 |
| Vocative for nominative D Stifter Vocative, 43-85, 2013 | 24 | 2013 |
| Study in red D Stifter Die Sprache 40 (2), 202-223, 1998 | 22 | 1998 |
| A dictionary of the Old-Irish glosses in the Milan Codex Ambrosianus C 301 inf A Griffith, D Stifter Institut für Sprachwissenschaft, Universität Wien, 2013 | 18* | 2013 |
| Lenition of s in Gaulish? D Stifter Museum Tusculanum Press, 2012 | 18 | 2012 |
| The phonology of Celtic D Stifter Handbook of comparative and historical Indo-European linguistics 2, 1188-1202, 2017 | 17 | 2017 |
| A contribution to Celtiberian etymology D Stifter Die Sprache 41 (1), 2002, 1999 | 16 | 1999 |
| The history of the Old Irish preverb to- D Stifter Linguistic and philological studies in Early Irish, 203-46, 2014 | 15 | 2014 |
| Contributions to Celtiberian etymology II D Stifter Palaeohispanica: revista sobre lenguas y culturas de la Hispania Antigua 6 …, 2006 | 15 | 2006 |
| Cisalpine Celtic D Stifter Palaeohispanica 20, 335-365, 2020 | 14* | 2020 |
| Towards the linguistic dating of early Irish law texts D Stifter | 14 | 2013 |
| THE INVISIBLE THIRD. THE BASQUE AND CELTIC WORDS FOR'SWALLOW' D Stifter Ériu 60 (1), 145-157, 2010 | 14 | 2010 |
| On the Linguistic Situation of Roman-period Ig D Stifter Personal Names in the Western Roman World. Proceedings of a Workshop held at …, 2012 | 13 | 2012 |
| The textual arrangement of Alise-Sainte-Reine [L-13] D Stifter Zeitschrift fur celtische Philologie 58, 165-181, 2011 | 13 | 2011 |
| Lepontische Studien: Lexicon Leponticum und die Funktion von san im Lepontischen D Stifter Praesens Verlag, 2010 | 13 | 2010 |
| Neues vom Keltiberischen: Notizen zu Botorrita IV D Stifter Die Sprache 38 (3), 89-110, 1996 | 13 | 1996 |
| Celtic Linguistics/Ieithyddiaeth Geltaidd: Readings in the Brythonic Languages. Festschrift for T. Arwyn Watkins MJ Ball, J Fife, E Poppe, J Rowland John Benjamins Publishing, 1990 | 13* | 1990 |
Raimund KarlPrivatdozent für keltische Altertumskunde, Universität Wien; Professor emeritus of Archaeology andVerified email at univie.ac.at
