Someone on Fordbarn should have Lebaron Bonnie or Classtique instructions. If you can find someone with the instruction, you could install the kit yourself or give the instructions to the upholstery shop. In fact, I found a set of instructions from LB. If you send me your email address, I could take a photo of them and email them to you. The instruction set says it is for 28 through 31, which leads me to believe 28/29 and standard 30/31 tops are pretty much the same.
Rusty Nelson