Given that he was a Reverend, probably resounding endorsement. With few exceptions, women - and yea, ones married to Protestant church authorities - didn't write things of which their husbands would disapprove in 1894. At least, certainly not tractates of this nature.
Honest question: how do you know this?
In the way that one knows most things one claims to know that are not vindicated through literal, sensory first-person experience - through some sort of inductive web of personal interactions, accumulated scholastic perceptions, second-hand anecdotes, lore, etc. I could certainly be wrong.
I read this comment and thought, this comment sounds like it was written by Alex and then I read the tagline..