Her texts On Designing (1959) and On Weaving (1965), for instance, are to this day regarded at the level of holy writ in many art, design, and textile courses. (artsy.net)
Martin Luther thought that Esther had no proper place in Holy Writ, but not even so powerful a figure as Luther could dislodge a book from the canon. (religion-online.org)
Since this isn't official confirmation, don't take every word as holy writ. (cogconnected.com)