If you'll look on the Kanstul web site ...
www.kanstul.net ... they 'do' have a list of some standard mpc's (tops & bottoms) they have availible. They also have in their records lists of copies of other things they've done for individuals.
If you're looking for something specific & want to know if they've scanned it call and ask them. They (Kanstul Staff) are very friendly and helpful.
Regards