See this online ebook:

  • Holy Water and Its Significance for Catholics, by Rev. Heinrich Theiler, S.O.Cist, translated by Rev. J.F. Lang, with a few Scriptural and historical insertions by the translator (Ratisbon, Rome, New York, Cincinnati: Fr. Pustet & Co., 1909). With Imprimatur. May be read online, and available in pdf, mobi, epub and other formats, at Internet Archive.
    • [Note: We believe that the text is in the public domain in the United States. However, we could not ascertain the copyright status of the text in jurisdictions that reckon copyright period based on the author’s decease, as an online search provided no information as to the date of decease of the author and the translator. Readers are requested to comment with the said information.]

See also the texts listed on the page Liturgy, as well as the following related text(s):

On the Feast of Saint Daniel of Padua. For other texts and ebooks on various subjects, 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.