Upon Further Review: Instant Replay Should be Banned from Sports, by Connor Groel, Top Level Sports
History of Instant Replay
Replays on pass interference calls? CFL shows NFL how it can be done
NFL Instant Replay (CD-i) - The Cutting Room Floor
OPINION: It's time for college softball to install instant replay – The Daily Wildcat
Replay review in gridiron football - Wikipedia
It's time for the NFL to rethink how it uses replay - Gang Green Nation
How Instant Replay Can Improve Soccer – Soccer Politics / The Politics of Football
The Disastrous Arrival of Video Replay in English Soccer