An article called Newport art gallery features stained-glass windows of John La Farge from the Providence Journal website. The gallery in question is William Vareika Fine Arts, Inc., of Newport, Rhode Island.
I would highly recommend you scroll down on their website and download the exhibition catalog as a pdf - 40 pages and 78 full color photos. Specifically, photos of all the stained glass on display plus dozens of LaFarge watercolors, many of them designs for stained glass. Wonderful.
I visited the Vareika gallery once, about 12 years ago, to see the LaFarge watercolor sketches for stained glass. They didn't have any stained glass panels on display back then, so this would definitely be worth a special trip.
[update - later the same day...] Funny. After I did this initial post, this video showed up on YouTube, via Salve Regina's YouTube channel - La Farge Window Restoration-Our Lady of Mercy Chapel