If you enjoyed that, take a look at the beautifully digitized David Rumsey Historical Map Collection... not just maps! Lots of related documents and tons of gorgeous victorian, and earlier, etchings and other illustrations.

http://www.davidrumsey.com

Also available via internet archive: https://archive.org/details/david-rumsey-map-collection

Oh, nice! I prefer the IA flow to using Rumsey's viewer thing.