See this online text:

  • The Life of Saint Nicholas the Wonderworker (Vita Per Michaëlem), by Michael the Archimandrite (c. 814-842), translated by John Quinn and Bryson Sewell, with a contemporary Introduction by Roger Pearse. Available in pdf, epub, kindle and other formats at Internet Archive. The text without the said contemporary Introduction may be read online at the St. Nicholas Center.
    • [Caution: Readers without theological formation are advised to approach the contemporary Introduction with prayerful caution, as it adopts a skeptical view of the historicity of Saint Nicholas that may require further investigation.]

See also these related texts / media:

  • Moleben to Our Holy Father Nicholas the Wonder-worker (Byzantine Catholic Cultural Center). Available in pdf format on this page of the Metropolitan Cantor Institute.
  • A Tale of Two Wonderworkers: St. Nicholas of Myra in the Writings and Life of St. Thomas Aquinas, by Peter A. Kwasniewski, International Theological Institute for Studies on Marriage and the Family, Gaming, Austria [Footnote 1 states: “This article was developed from a lecture given at the International Theological Institute on December 6, 2002.”]. Available in PDF format at DeSales University.

On the Feast of Saint Nicholas of Myra in the Roman Rite.  For other texts and ebooks, you may access the List of Free eBooks (Arranged by Title), the List of Free eBooks (Grouped by Subject), the List of Worth-It Catholic Books & eBooks, and the main page of the Catholic eBooks Project.