More to explore:
public domain vintage postcards | Public Domain - Vintage Postcard Images
a site with many stunning public domain images here: vintageprintable....
Public Domain - Nature
Free, vintage, public domain images rescued from old books.
Birds' Eggs and Nests. Colorful illustration from public domain book published in 1917.
"Reusable Art - Breathing New Life Into Old Art." A collection of free downloadable public domain images that have been rescued from old books, magazines, and other print materials.
Free vintage images #vintage
Botanical illustration of nests