Yankees History: Lefty Davis becomes the Yankees' first ever batter - Pinstripe Alley
The Yankees hit five homers – number 28 by Mickey Mantle and numbers 29 and 30 by Roger Maris – to easily beat the Senators, 13 – 4. - This Day In Baseball
New York Yankees - Wikipedia
BEFORE THEY WERE “YANKEES”. The New York Highlanders, by Steven C. Owens
4 Perez Galleries Hall Of Fame Baseball Postcards Auction
Mickey Mantle: Breaking News, Rumors & Highlights
New York Highlanders 1904 - Mickey's Place
New york yankees baseball team hi-res stock photography and images - Alamy
New York Giants team ownership history – Society for American Baseball Research
1903 New York Highlanders Colorized by Don Stokes!