Official's manual, softball
By: Kathy Rittler.
Publisher: Leisure Press
Published: 1982
Place of publication: West Point, N.Y
Language: eng
Number of pages: 79
Subjects: Softball -- Rules.; Softball -- Umpiring.
Notes: "Includes official rules and umpiring mechanics for 12ʺ fast pitch, 12ʺ slow pitch, 16ʺ slow pitch."