ROMANIAN SPORT-OINA. Oina is considered to be the national sport in Romania. Oina is a Romanian traditional ball sport, similar in many ways to baseball. - ppt download
The forgotten Romanian national sport that may have inspired baseball | Romania Insider
Oina and the Origins of American Baseball - Julie Tetel Andresen : Julie Tetel Andresen
Origins of baseball - Wikipedia
Oina Baseball: Romania National Sport - 3 Seas Europe