You may get lots of informtion from that source but nothing beats viewing and handling the original garmets. There are so many variations in CS manufacture because of the way they were pieced out and the inconsistancy of available material that the possibilities are endless. I don't know how much research you have done but if you haven't read Les Jensens works on uniforms you may give them a read. These are two of the links. Perhaps you can link to the two others from these sites.

http://www.military-historians.org/company/journal/confederate/confederate-2.htm

http://www.military-historians.org/company/journal/confederate/confederate-3.htm