Baseball History: 19th Century Baseball: Image: 1874 Philadelphia Athletics
150 years ago, Philly fielded its first pro baseball team - WHYY
Base-ball in England - the match on Lord's cricket grounds between the Red Stockings and the Athletics / from a sketch by Abner Crossman.
Athletic of Philadelphia: 1874 – Ars Longa Art Cards
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Posed Portraits of 19th-Century Baseball Stars – The Public Domain Review
May 16, 1939: A's fall in first night game at Shibe Park – Society for American Baseball Research
When Baseball Players Were Vaudeville Stars - The Atlantic
Philadelphia athletics history hi-res stock photography and images - Alamy
247 Philadelphia athletics Images: PICRYL - Public Domain Media Search Engine Public Domain Search
Philadelphia athletics hi-res stock photography and images - Alamy
File:Cap Anson 1874 Philadelphia Team Portrait.png - Wikimedia Commons
Early Baseball and the Rise of the National League: Melville, Tom: 9780786409624: : Books
Philadelphia Athletics (1860–1876) - Wikipedia