看见热河｜Seeing Jehol

Field notes

The archive assigns identifiers to individual records and separates the date an image was made from the dates it was published, compiled, or digitized. Its stated corpus combines photographs, postcards, illustrated publications, and news images, with source material attributed to institutions including the Bibliothèque nationale de France, University of Washington Libraries, and Internet Archive. The site says the full collection supports topic filtering, search, and enlarged viewing, while uncertain locations, people, and edition relationships remain marked for further study.