| Deep South Class D Baseball | | Information about the Class D Alabama-Florida League, which existed from 1936-1962. Year-by-year history, unofficial hall of fame, player profiles, photos and old newspaper articles. |
| Kitty League Baseball | | The history of the Kentucky-Illinois-Tennessee ("Kitty") League, a Class D minor league that operated in the states of Kentucky, Illinois, Indiana, Missouri, and Tennessee from 1903 until 1955. |
| Oakland Oaks | | Player profiles, photos, and stories of the Pacific Coast League champion Oakland Oaks of the 1940s and '50s. |
| One Year Wonders of 1969 | | Written history of the Seattle Pilots, the expansion team that became the Milwaukee Brewers after just one year. |
| Pennisula Pro Baseball Hall of Fame | | Members are from professional baseball teams which played in the Hampton/Newport News, Virginia area from 1894-1992. Includes historical information and updated major and minor league scores. |
| Three-I League, 1901-1961 | | Site dedicated to the storied Illinois-Indiana-Iowa League, 1901 to 1961. This talent-laden Class B minor league produced dozens of baseball greats. Also known as the Three-I or "Three Eye." | |
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