Pitbulldatabase.com

MALES:
Colby's Spring x Colby's Dolly (1906) COLBY'S FANNIE

FEMALES:
Colby's Spring x Colby's Dolly (1906) COLBY'S MONKEY
Colby's Spring x Colby's Dolly (1906) COLBY'S SMOKEY
Colby's Spring x Colby's Dolly (1906) COLBY'S YELLOW GIRL