Archival of old negatives - Perp and Saving

[Michael950]

My dad gave me the negatives from all the photos he has taken (my sister already took the photos). I guess about 10 years ago they began using the protective sleeves when you develop your film [now I am beginning to feel old (27) <-let the flame war begin].

Needless to say, there are 15+ years of family photos (I am oldest born in '78 ) and I would like to organize the negatives so I may reprint those of which I wish to have a copy.

1. where can I buy bulk sleeves for my negatives?
   - I know there are binder versions for professional archiving - http://www.clearfile.com but those are not necessay
   - I would like something more cost effective
   
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2. If there are stuck negatives, how should I go about protecting them so they are not damaged?
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