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Subject
- Calisthenics.2
- Baseball fields.1
- Baseball--Training.1
- Baseball--United States--History--20th century.1
- Birds--Behavior.1
- Birds--Infancy.1
- Boxing--Training.1
- Gulls.1
- Marching drills.1
- Philadelphia Phillies (Baseball team)1
- Physical fitness.1
- Police recruits--United States.1
- Police training--United States.1
- Police training.1
- Police.1
- Professional sports.1
- Spring training (Baseball)1
- Wildlife conservation.1