Hi Rayce, Try clicking on the links section at the top of the page. They're are a number of vendors who can help.
I assume your '54' is based on the A.D. series cab so glass shouldn't be a problem!
You could try http://truckandcarshop.com/
They are in Ca. but ship all over the States and Canada.
Good luck!
Jock.

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.