I had the idea that there were a number of books during the colonial days of Mexico.

So I did a search in the Pars website archive for "libros"

http://www.archivesportaleurope.net/web/guest

Then on the left hand side filter by "archivos de indias" and then again "contains digital objects"

So I can only get list of archives of the americas with documents pertaining to books.

Because some of those books may have illustrations such as places to see what they looked like back then.