Tessie & Wally - Boston Red Sox
When Wally the Red Sox Mascot Vanished From Boston's Fenway Park
A pictorial history of Wally the Green Monster as he's grown, and grown on us - The Athletic
Go skating with Wally and Tessie on the Frog Pond
Green Monster Archives - Billie Weiss
A pictorial history of Wally the Green Monster as he's grown, and grown on us - The Athletic
Wally the Green Monster safe at home – Boston Herald
Niskayuna boy throws first pitch at Red Sox game
Tessie & Wally - Boston Red Sox
When Wally the Red Sox Mascot Vanished From Boston's Fenway Park
The origin story of Wally the Green Monster - The Athletic
Red Sox fans, fearing loss of mascot, see Yankee conspiracy
Wally's Clubhouse
A pictorial history of Wally the Green Monster as he's grown, and grown on us - The Athletic