Well, to be honest, the connection is there (for me, at any rate), as it is related to my studies concerning Lovecraft. J. E. T. D. and her daughter Edith Miniter were, as stated, amateur colleagues of the Old Gent and, when Jennie died in 1919, HPL wrote a verse tribute to her, one which comes across as much less formal and more genuine than much of his metrical effusions of that sort -- even though, at the time, he only knew some of her writings. As a result of that lack of personal knowledge (among other things) the verse was published under his "Ward Phillips" pseudonym; at a later time, when an opportunity arose to reissue it with his own name appended, he also added a lovely brief note titled "A Singer of Ethereal Moods and Fancies" (which can be found in his Collected Essays, vol. 1).
Mrs. Miniter he came to know much better, meeting her several times, and even staying with her on the trip to the parts of Massachusetts (Wilbraham, etc.) which resulted in the scenery for "The Dunwich Horror". She and her relative, Evenor Beebe, were the ones who provided the bit of genuine lore about whippoorwills being psychopomps, used to such wonderful effect in that tale. She also wrote the first parody of Lovecraft's fiction, "Falco Ossifracus", poking fun at "The Statement of Randolph Carter" as well as HPL's style in general (all with quite genial humor), and also wrote various pieces about (or, in some cases, containing information about) Lovecraft as well, which provide some of the more unusual views of the man (such as his participation at and enjoyment of an amusement park outing), displaying his warmth and humor. He also wrote a tribute to her upon her death, and carried out the somewhat melancholy task (which she had not been able to complete in her lifetime) of fulfilling her mother's wishes and spreading Jennie's ashes over her chosen spots.
But the bulk of their writings were of quite a different nature, yet both eloquent and charming (quite a bit of J. E. T. D.'s writing was published in Scribner's and The Century, for instance); and I'm glad to see it made once more available, as it is well worth perusing.
(As a side note, if I am reading the notation correctly on the flyleaf of the edition of Mrs. Miniter's collection Going Home which I have, this was, at one time, the copy owned by Sam Moskowitz. Given my sadness at the fact that his collection -- quite an immense and valuable one -- had to be split up as no institution would take it as a holding, despite its immense historical value concerning American popular literature, that fact gives me some very ambivalent feelings. It reminds me of that, of course, but it is also rather nice having something of his in my collection, as well....)