1969 NHRA Official Drag Rules NOS National Hot Rod Association drag racing

NATIONAL HOT ROD ASSOCIATION DRAG RULES 1972

1972 Official IHRA Drag Rule Book & Speed Sheet nternational Hot Rod Association

1970 NHRA Official Drag Rules NOS National Hot Rod Association drag racing

1968 Official Drag Rules Booklet, National Hot Rod Association NHRA NOS Clean

NATIONAL HOT ROD ASSOCIATION DRAG RULES 1972 NHRA Exc.

1972 Official IHRA Drag Racing Rule Book International Hot Rod Association B&B

Official IHRA Drag Racing Rule Books International Hot Rod Association 72 & 73