Ye Olde Encyclopedias

This index linking to old encyclopedia volumes (by letter) dated from 1728 to 1926 may be of interest for checking out (summary versions of) understandings over time.

The submission is inspired by other encyclopedia-related links that have been submitted recently [0, 1].

[0] https://news.ycombinator.com/item?id=36967579 [1] https://news.ycombinator.com/item?id=36954279