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

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

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

1984 NHRA DRAG RULES Drag Racing's Official Guidelines, National Hot Rod Assn.

1983 NHRA DRAG RULES Drag Racing's Official Guidelines, National Hot Rod Assn.

1971 NHRA RULE BOOK DRAG RULES NATIONAL HOT ROD ASSOCIATION