Making modifications to the window mounting bracket & new glass vs old glass, will be in my next post.
But for those in a hurry here is where you can get quality 1-piece tempered door glass. I got mine for $55.00 each (for clear) ....tinted glass might be a little more.
http://www.autocityclassic.com/
http://www.ebay.com/itm/1955-1959-CH...VRSeSU&vxp=mtr