Preservation Self-Assessment Program (PSAP) | Negatives
This photograph was taken in Waynesboro, Pennsylvania, circa early 1900s. This is one of the loveliest photos in my collection. From my glass negative collection. : r/GlassNegativeEra
NMJ / FALL 2000 / Mystery Images: Glass Plate Negatives from The Leelanau Historical Museum Archive
Glass plate negative - MAAS Collection
A brief guide to photographs on glass - National Science and Media Museum blog