I dont have a book in front of me but I can decode some of it by memory.
N41, N42-dual exhaust, chrome tips
R11-AM radio
V1X-black vinyl top
C16-center console
C55-bucket seats
J45-hood pins
FE5-Fire Engine Red
E63-383 Magnum
D32-heavy duty torqueflite
BS-'Cuda
23-hardtop
N-383
0-1970
B-Hamtramck assembly plant if I remember right