Location Source Date Page Caption Uniform Type
THE NATIONAL PASTIME, SABR Publication (Special Issue) Spring, 1986 7 #16 under Boston Boston AL Team composite
WHEN BOSTON WON THE WORLD SERIES, Bob Ryan 2002 29 Bottom Row: John O'Brien Boston AL (capless) Team composite
New York Clipper Apr. 23, 1890 23 Jno. J. O'Brien Syracuse m.l. (capless) Head & shoulders woodcut
Sporting Life Oct. 1, 1883 1 Athletic Base Ball Club, Champions 1884 Civvies Woodcut team composite
OOTP Baseball http://tinyurl.com/ygnulmm Mar., 2010 Jack (John Joseph) O'Brien Boston AL (capless) Head & shoulders