John Vandenberg, 08/07/2011 09:31:
The Internet Archive has many subprojects which are
non-free content
(wayback machine) and dubious content (Open source books).
They have 1.5 millions books (texts) only in the 1800-1922 range.
<http://www.archive.org/search.php?query=mediatype%3A%28texts%29%20AND%20date%3A[1800-01-01%20TO%201922-12-31]>
Nemo