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.

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.

VINTAGE 1977 NHRA NATIONAL HOT ROD ASSOCIATION DRAG RACING RULES BOOK

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

1988 NHRA DRAG RULES Drag Racing's Official Competition Guidelines & Technical