Buying old PC games

[Valsuvious]

Anyone have an idea of where I could get some older PC games? One of the ones that I'm interested in the most are NHL94/95. I used to have these games but over the years I lost the disc or damaged them too much.

I've been looking for them on ebay, but they only have the genesis and snes versions available. I'm specifically looking for the PC version.

There are a few other games that I'd like to purchase again, not that I can remember what they are at this time, but any help on where to find older games like this would be appreciated. Thank you