Hi jaime suarez,
> I am looking for the code examples for the above-mentioned book by
> Stephen Slade. He used to have them available at
> http://pages.stern.nyu.edu/~sslade/lisp/ but not anymore. I have
> tried to contact him in different ways but to no avail.
<http://web.archive.org/web/*/http://pages.stern.nyu.edu/~sslade/lisp/>
It's all there in the Wayback Machine, specifically:
<http://web.archive.org/web/20040219140606/pages.stern.nyu.edu/~sslade/lisp/code.html>
Regards,
Adam