Baseball umpires manual.
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| Format: | Serial |
| Language: | English |
| Published: |
Kansas City, Mo. :
National Federation of State High School Associations.
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| Edition: | National Federation edition. |
| Subjects: |
| Item Description: | Prepared under direction of National Federation Baseball Rules Committee. Description based on: 1983-84. |
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| Physical Description: | volumes : illustrations ; 18 cm. |