Roller derby: A glossary | silicon valley roller girls' blog
OC Roller Girls kick off skating season – Orange County Register
My workout: Toni May Skidmore, 25, roller derby player – 'Knocks happen' | Health & wellbeing | The Guardian
Rat City Roller Derby on Twitter: "Show us your game face and you could win a SISU mouth guard! https://t.co/XL9kAODHuk https://t.co/dRJW8Wi2zG" / Twitter
All a Derby Doll wants for Christmas! — Derby Dolls