This is a huge archive that is available. Donations are volantary but not required.
This link is a subject line search engine.
Storys are numbered when you save them so you must rename them before you save them.
But they have storys dating from the curent 2004 to 1997
and they have collections by author topic etc.

you may already know about this but it is well worth a second look. There is alot there

http://assm.asstr.org/search.html