Need a good website for a small synopsis on various coin types

Someone at my work requested to have a small synopsis about various coin types, such as Walkers, Barber Halves, Morgans, and Peace dollars. Just a little background about them and something cool to pass on as a gift along with a bunch of the same types of coins. Any ideas for a good website(s)?
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-Amanda
I'm a YN working on a type set!
My Buffalo Nickel Website Home of the Quirky Buffaloes Collection!
Proud member of the CUFYNA
Actually, I happened onto a good site called CoinResource.com. CoinWorld also has some good information.
This site has longer articles, but maybe too long. I haven't read any of them except the buffalo one, though.
The Redbook has nice little synopses before each type, but it's not a website.
The PCGS "lingo" section of the site has (very) short little blurbs about some coin types.
-Amanda
I'm a YN working on a type set!
My Buffalo Nickel Website Home of the Quirky Buffaloes Collection!
Proud member of the CUFYNA