Let me add that this is terrific research! Very glad you took the time to dig through these.
I think many of these are slam-dunk cases of being her. There are just a couple that I think are in the "maybe, maybe not" category. These would be the ones where she has curlier hair and appears to have blue eyes. (Could it be the eyes were re-colored by designers, causing a different look?)
On many covers she appears to have brown eyes, and she definitely has that "brown-eyed girl" kind of look. But I think she might have dark-green or hazel eyes. The different eye colors could be due to different lighting too.
It is possible there were a couple of other brunette models who also have the wider chin, full cheeks, contoured nose, large eyes, and pronounced eyebrows that she has. Eyebrow penciling was common back then too.
Anyway, nice work! I am going to do some Gerber skimming later and see if I can spot any other examples.