Monument Park (Yankee Stadium) - Wikipedia
Yankees to dedicate Mariano Rivera's Monument Park plaque – The Denver Post
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Ballpark Quirks: Yankee Stadium's living museum in Monument Park - Sports Illustrated
Paul O'Neill on No. 21 retirement Yankees
Unofficial Replica Yankees Retirement Numbers
Mariano Rivera: Yankees closer is master of the final out – Twin Cities
Enshrinement in Yankees Monument Park is a tradition unlike any other - Pinstripe Alley
Yankee Stadium: Monument Park - Retired Numbers - Elston H…
Yankees No.7 Monument Park Poster by Gary Slawsky - Gary Slawsky - Artist Website