Fisher uses spars with spar caps and plywood web. I also increase the size of the rib material and also the geodetic strips. Also plywood sheeted at the fuel tank area. Different controls. Different compression struts and hardware.
Basically the only thing that is the same is the use of geodetic strips.
We have talked about it on this site. Also, the EAA has a book on Woodworking that has an article on the history of geodetic construction for airplanes. Might me more, but that's all I remember at this time.
Maybe someone else can jump in with some infro.
It's worth considering what you need the fuselage to do. (1) It's a beam in bending when you apply the elevator. (2) It's a (sideways) beam in bending when you apply the rudder. (3) It's in torsion when you apply the rudder (or when some other asymmetric aerodynamic load case occurs). More...
The EAA book was a reprint of articles from Sport Aviation. If you are an EAA member you can go through the archives using the search function. There were some drawings left off the reprints in the books.