Texts
A Latin, likely Hiberno-Latin, collection of miscellaneous material organised according to their relevance to certain numerical subjects (e.g. the five senses, ten windows of the soul, etc.)

Manuscript witnesses

Text
Colmar, Bibliothèque municipale, MS 39 
Text
Karlsruhe, Badische Landesbibliothek, Aug. perg. 112 
Text
Munich, Bayerische Staatsbibliothek, MS Clm 14392 
ff. 41v–117v  
MS
Venice, Biblioteca nazionale Marciana, MS lat. II.46 
rubric: De via iustorum et via peccatorum   Extract from II.18.
f. 131r
MS
Venice, Biblioteca nazionale Marciana, MS lat. II.46 
rubric: De anima et eius virtutibus   Extract from II.14.
f. 131r–f. 131v

Sources

Primary sources Text editions and/or modern translations – in whole or in part – along with publications containing additions and corrections, if known. Diplomatic editions, facsimiles and digital image reproductions of the manuscripts are not always listed here but may be found in entries for the relevant manuscripts. For historical purposes, early editions, transcriptions and translations are not excluded, even if their reliability does not meet modern standards.

A new edition is being prepared.
[ed.] Migne, Jacques-Paul [gen. ed.] (ed.), Sancti Isidori Hispalensis episcopi, opera omnia, vol. 5, Patrologia Latina, 83, Paris, 1862.
Internet Archive: <link> Mlat.uzh.ch: <link>
cols 1293–1302 Incomplete direct link
[dipl. ed.] Tristram, Hildegard L. C. [ed.], Sex aetates mundi: die Weltzeitalter bei den Angelsachsen und den Iren. Untersuchungen und Texte, Anglistische Forschungen, 165, Heidelberg: Carl Winter, 1985.
294–298 Diplomatic edition from portions in MS Colmar 39, ff 132v-139r and Karlsruhe MS Aug CXII, ff 50ra-50va

Secondary sources (select)

Smyth, Marina, “The Irish Liber de numeris”, in: Thomas OʼLoughlin (ed.), The Scriptures and early medieval Ireland: proceedings of the 1993 Conference of the Society for Hiberno-Latin Studies on Early Irish Exegesis and Homilectics, 31, Steenbrugge, Turnhout: In Abbatia S. Petri, Brepols, 1999. 291–297.
Lapidge, Michael, and Richard Sharpe, A bibliography of Celtic-Latin literature, 400-1200, Royal Irish Academy Dictionary of Medieval Latin from Celtic Sources, Ancillary Publications, 1, Dublin: Royal Irish Academy, 1985.
[id. 778.]
Tristram, Hildegard L. C. [ed.], Sex aetates mundi: die Weltzeitalter bei den Angelsachsen und den Iren. Untersuchungen und Texte, Anglistische Forschungen, 165, Heidelberg: Carl Winter, 1985.
McNally, Robert E., “Der irische Liber de numeris. Eine Quellenanalyse des pseudo-isidorischen Liber de numeris”, printed Inaugural-Dissertation, Universität München, 1957. xv + 210 pp.