Oakland A's history: How Eric Plunk turned into Rickey Henderson
Past Trade Review: Rickey Henderson - River Avenue Blues
New York Yankees trade disgruntled superstar Rickey Henderson - This Day In Baseball
May 1, 1991: Rickey Henderson becomes baseball's new stolen base king – Society for American Baseball Research
Yankees Send Henderson Back to Oakland - The New York Times
Past Trade Review: Rickey Henderson - River Avenue Blues
Rickey Henderson, Eric Plunk trades history
Rickey Henderson Trades and Transactions by Baseball Almanac
Rickey Henderson Traded From New York Yankees to Oakland A's
Rickey Henderson, Eric Plunk trades history
Rickey Henderson Traded From New York Yankees to Oakland A's
Rickey Henderson Traded From New York Yankees to Oakland A's