History of Breaststroke | Olympic Swimming Strokes Explained
Freestyle Technique by Speedo - Presented by SwimShop - YouTube
Speedo Swim Technique - Breaststroke - Created by Speedo, Presented by ProSwimwear - YouTube
Butterfly stroke - Wikipedia
Dad's Club Swim Team on Twitter: "On this Monday morning we bring you some technique tips from Nathan Adrian who shows you how to perfect your Freestyle/ Front Crawl Breathing. #swimhardsmileharder https://t.co/Bu006J2QVV