http://www.catholicapologetics.info/modernproblems/ecumenism/fewsave.htm
And check more if you like
http://www.traditionalcatholicsermons.org/
http://www.catholicspiritualdirection.org/catholicclassics.html
And of the Cure of Ars
http://en.wikisource.org/wiki/Sermons_of_the_Curé_of_Ars#DO_YOU_WANT_TO_BE_HAPPY.3F
http://www.catholicspiritualdirection.org/catholicclassics.html
And of the Cure of Ars
http://en.wikisource.org/wiki/Sermons_of_the_Curé_of_Ars#DO_YOU_WANT_TO_BE_HAPPY.3F
That's the best I could find.
And I leave some other links you might want to look at:catholic-defense.com
http://www.scribd.com/doc/20278621/The-Ladder
http://www.freewebs.com/wallmell/HiddenTreasure.htm
http://www.archive.org/details/against_heresies_1005_librivox
Deus vos benedicat