1974 NHRA DRAG RULES - Drag Racing's Official Guidelines, National Hot Rod Assn

1975 NHRA DRAG RULES Drag Racing's Official Guidelines, National Hot Rod Assn.

1971 NHRA DRAG RULES Drag Racing's Official Guidelines, National Hot Rod Assn.

1973 NHRA DRAG RULES Drag Racing's Official Guidelines, National Hot Rod Assn.

1971 NHRA RULE BOOK DRAG RULES NATIONAL HOT ROD ASSOCIATION

1979 NHRA DRAG RULES Drag Racing's Official Guidelines, National Hot Rod Assn.

2003 NHRA RULE BOOK Drag Racing Rules NATIONAL HOT ROD ASSOCIATION NHRA NITRO

1972 National Hi-Performance Encyclopedia & Calender NHRA AHRA IHRA UHRA