OBA provides free illustrations, pictures, drawings, maps and other images, most of which we have scanned from antiquarian, public-domain books and other old documents. Many of these are from books that have passed through our bookstore, Zephyrus Books and others have been acquired elsewhere then edited and enhanced to improve the quality. Currently there are about 5000 images in our gallery with more added as possible. Any image on this site or the gallery site may be downloaded for free. We will also screen and provide links to other high quality resources, including sites which offer larger versions of our images for a fee. Some of the links on this site are to sites that charge for images, and for some of those sites we may receive compensation as a referral fee, or a royalty if it is a larger image from this site for sale.