Little bitty books web links

Here's one from an on-line exhibition from Indiana Univrsity. http://www.indiana.edu/~liblilly/miniatures/index.shtml

I wonder if that collection/display is the basis for the book I mentioned in ULTB group about tiny books -

Miniature Books: 4,000 Years of Tiny Treasures

Library of Congress miniature book measure:

https://www.instagram.com/reel/DDX5XLWyfDj/?igsh=MTVjaHQwYjdmY3ZuaA==