RICHFORD, Vermont — The community board at the Richford Public Library is not a large thing. It occupies a strip of cork between the new-arrivals shelf and the window that looks out onto Route 105, and on most days it holds the usual assortment — a lost-cat notice, a flyer for maple sugaring workshops, a page torn from a calendar with something scrawled in the margin. Ordinary.

This week it is not ordinary.

Colette Aubin-Roy, who works the circulation desk Thursday mornings and has done so for the better part of a decade, noticed the change first on Tuesday. A handful of handwritten notes had appeared around the Nous Sommes RONA / We Are RONA card — the one the library posted to mark the series in the catalogue. By Thursday afternoon there were nine or ten, she said, written on index cards, torn notebook paper, and in one case the back of a receipt.

“What was interesting was that none of them seemed to be addressed to anyone,” Aubin-Roy said. “Not to the filmmakers, not to the library, not to other patrons. They were just — observations, I suppose. Things people needed to say out loud.”

Several of the notes touch on the Vermont farming segments in the first episode, which follow a family in the Northeast Kingdom through a late-autumn harvest. The details are specific — the particular quality of the light, the way a tractor sounds in cold air — and the responses are specific in turn. One note reads, in careful block letters: My grandmother had the same kind of fence posts. Another, in softer cursive: I did not expect to cry in a library parking lot.

Aubin-Roy has not organized the notes or arranged them in any sequence. She has not added a header or drawn a boundary around them. She seems, if anything, reluctant to touch them at all.

“They seem to speak to one another,” she said. “That's the only way I can put it. You stand in front of them and you get the feeling something is already happening, and you don't want to interrupt it.”

Whether more notes will arrive, she does not know. She has made no effort to invite them, and she does not plan to.

“It's something that belongs to the room.”