1918 Brooklyn Royal Giants - Seamheads Negro Leagues Database
Remembering the Royals: The pride of Brooklyn's African-American baseball community
Celebrating 100 Years of Negro League History With Bob Kendrick and Curtis Granderson - The Ringer
Historical Timeline - Negro Leaguers in Puerto Rico
Brooklyn Royal Giants Baseball History Daily
Marion Cain - Wikiwand
The Brooklyn Trolley Blogger: Dem Barnstormers: The Brooklyn Royal Giants
A look at weird baseball uniforms
Legends at Parkhurst Field
Matt Harvey #33 - Game Used Royal Giants Jersey - Mets vs. Braves - 6/25/16 - Mets Win 1-0
Wilmer Fields & Josh Johnson signed Negro League limited edition BB postcard