Greenberg: For Wrigley Field beer vendors like David Comrov, the beat goes on - The Athletic
Fan who survived heart attack at Wrigley Field returning to thank Cubs employee who helped him
Meet the Wrigley Field vendor behind a viral TikTok account
Life&Style - Spring 2014 by The Southern Illinoisan - Issuu
John Racanelli – SABR's Baseball Cards Research Committee
The Wrigley Field Scorecard Vendor: A History - Bleed Cubbie Blue
The Wrigley Field Scorecard Vendor: A History - Bleed Cubbie Blue
Things You Didn't Know About Being a Wrigley Field Beer Vendor - Chicago Cubs - Thrillist
John Racanelli – SABR's Baseball Cards Research Committee