Chicago Cubs 1912 throwback uniforms.
An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue
MLB Jersey & Cap History
Uni Watch - The best throwback uniform for each MLB team - ESPN
MORE
Throwback uniform - Wikipedia
Photos: Giants and Cubs Go Back 100 Years – SportsLogos.Net News
Photos: Giants and Cubs Go Back 100 Years – SportsLogos.Net News
Season-long tribute planned to pioneering 1869 Red Stockings
/cdn.vox-cdn.com/uploads/chorus_asset/file/3971702/GettyImages-52214350.0.jpg)
An Overview Of Cubs Road Uniforms 1958-2015 - Bleed Cubbie Blue
Throwback Baseball Game Database - Balance the chaos
Likely taken in 1912 but no certainty since the Cubs wore the dark uniforms in 1911 and 1912.
1912 Heinie Zimmerman, Chicago Cubs Triple Crown Winner, Vintage 1 Action Photo