How Do I Separate Stamps That Are Glued Together?

I have some stamps that I found at my parents'. They weren't well kept and aren't in that great a shape. But since they belonged to my great grand mother, I have a soft spot for them and would like to keep them.

I have a set of three that are from the same sheet. They are still attached to one another. However due to humidity maybe, 2 of them are sticking slightly to the other close to the perforated seam (I'm not familiar with stamp lingo yet, so that's the best I can describe them for now). Is there a way to separate them so I can put them flat in an album?

Thanks.

Hello nuit....

Soak them in cool/room temp tap water, let them dry face down on colorless paper towels, then press them with books if they need to be flattened.

Tom