For those interested in pre WWII airplanes the naca aircraft circulars might be of interest. These are small monographs providing fairly detailed descriptions of one particular plane. Some are available here:
https://digital.library.unt.edu/sear...20Circulars%22
Here is a link to the "Comper Swift" file, a small aircraft which was nevertheless used for long distance flights:
https://digital.library.unt.edu/ark:...9930090387.pdf
The Cierva C-30 autogyro:
https://ntrs.nasa.gov/archive/nasa/c...9930090361.pdf
The Boeing B-40 Mail Plane:
https://ntrs.nasa.gov/archive/nasa/c...9930090629.pdf
Swedish K-37 twin engine monoplane:
https://ia802600.us.archive.org/12/i...9930090376.pdf
Fokker F-VII:
https://ntrs.nasa.gov/archive/nasa/c...9930090669.pdf
List of available circulars from the rcgroups forum:
https://www.rcgroups.com/forums/show...ics-%28NACA%29
Cheers
Juergen