Kenichi Zenimura, Japanese American Baseball Pioneer
Baseball in Japan and the US: History, Culture, and Future Prospects - Association for Asian Studies
Looking Back: The First Black Player in Japanese Baseball
Looking Back: The First Black Player in Japanese Baseball
List of Major League Baseball players from Japan - Wikipedia
Touching Base: Yoshida, Senga, Fujinami and more international updates, posting system explainer - The Athletic
Jackie Robinson - Wikipedia
Book Excerpt: Issei Baseball: The Story of the First Japanese American Baseball Players - Inside the Dodgers
Gentle Black Giants: A History of Negro Leaguers in Japan: Staples Jr., Bill, Sayama, Kazuo, Ashwill, Gary, Nakagawa, Kerry Yo, Shimizu, Shimako, Nakamura, George, Zenimura, Howard Kenso, Yoshida, Kyoko, Pearce, Ralph M.