Softball -- Rules

Softball--rules of the game

Barbara Bonney.

Official Rules of Softball (1995)

Amateur Softball Association

Softball umpires manual

prepared under direction of National A.S.A. umpires staff ; edited by Tom Mason.

Take charge softball umpiring

by Merle Butler, Anthony Carter, and Bill Topp.

Illustrated softball rules

by Merle O. Butler and Johnny W. Welton ; Mike Wood, artist.

Official rules of softball.

Amateur Softball Association of America

Softball rules in pictures

G. Jacobs McCrory ; revised and illustrated by Michael Brown.

Softball rules in pictures

G. Jacobs McCrory ; technical consultants, Don E. Porter ... [et al.].

Reglas oficiales de softbol: cogido adoptado por la Federación Internacional de Softbol con las reformas aceptadas hasta 1989

Confederación Deportiva Mexicana, Federación Mexicana de Softbol.

Scorer's manual

Amateur Softball Association of America.