The text and cover illustration are taken from the book Flowers of the Passion: Thoughts of Saint Paul of the Cross, founder of the Passionists. It was gathered from the letters of the saint by Father Louis Thomas de Jesus-Agonisant, Passionist, and translated from the French by Ella A. Mulligan.
The book has the Imprimatur of Archbishop Michael Augustine Corrigan, Ardiocese of New York, New York, 28 January 1893, and was published by Benziger Brothers in 1893.