Ron, you can get everything you need (and more) from Jantz supply 1-800-351-8900 they just came out with a new catalog and are now selling leather as well as everything else you may need for making knives. They are in Oklahoma, and have been very helpful. They will sell you small amounts of steel (whareas Admiral will want you to get a 20 foot bar I believe).
Another place you might consider is Sheffield supply which is another knifemaking supply place right in Florida. What I said for Jantz goes for them too. Very nice folks, pretty much one stop shopping though I'm not sure weather they stock leather. The problem I had finding leather when I was starting out was that most "leather places" want you to buy like a half a cow at a time, and I couldn't afford it. Thats why I suggested Jantz unless you have a leather shop near by that may be willing to sell you small pieces.
If you are going to use a torch to harden, I would suggest either a "weed burner" torch from Harbor Freight, or a Bernzomatic JHT7 (available at most hardware stores. It burns hotter than the average type that screws on to the bottle. You can also get MAPP gas which burns hotter than standard propane. The weed burner torch makes BIG FIRE (throws a flame about 8" in diamater by 3' long). If you build a little cave out of fire brick, make a little wire thingy from a coat hanger to hold your blade upright, you can put your blade in there, back up and blast away at it and bring it up to critical temp (non-magnetic) in a minute or two. It runs off a grill tank and usually runs about 20.00 from Harbor Frieght.
Good luck, have fun
PS: DON'T USE THE WEED BURNER INSIDE, LIKE IN YOUR BASEMENT WHERE ALL THAT CUMBUSXTABLE SAWDUST, ETC AND YOUR OIL TANK LIVE.......