...I was hoping I'd misunderstood the schedule, since I hadn't seen any closing comments or good-byes.

Yes.thanks, Myretta and all for this eye-opening session; I'd never looked into the letters (and I probably won't again until the next Letters GR), so didn't know that her usual expression was just as elegant as her working expression. And, of course, the commonplaces reveal more of the background she was working from, which will illuminate better future rereading of her work.