Jackson Roller Derby on Twitter: "We celebrated #mardigras with an excellent #FatTuesday practice yesterday! We'd love to have you join us for the next practice. 😉 Thanks to all our amazing skaters
On recruiting roller derby officials – Skewblogs
Referee/NSO/Volunteer – Salt City Roller Derby
Non-Skating Officials in Roller Derby – It's not just about the players! - Dolly Rockit Rollers
Join the Fleet! — Ghost Fleet Roller Derby
Want to Ref or Officiate Roller Derby | Auckland
Why I NSO – Auld Reekie Roller Derby
You should ref (or NSO) more, skater – The Dashboard