These videos are all from pre-1980 swimming films and TV coverage, with the oldest at the bottom of the page.
Olympic Swimming 1933-1972
Japan 1933, Helsinki 1952, Melbourne 1956, Rome 1960 and Munich 1972
1963 AAU Outdoor Swimming & Diving (Chicago)
Don Schollander was in his prime. Nice footage, including diving.
1963 U.S. vs. Japan
1961 AAU Indoor (newsreel): 100 yd. Freestyle and 100 yd. Butterfly
1961 AAU Indoor: 100 yd. Butterfly
1961 AAU Indoor: 220 yd. Backstroke
1961 AAU: Breaststroke Demonstration
Chet Jastremski demonstrates breast stroke. Nice underwater view, which was rare at that time.
Australian “Swim Carnival”
This was an “exhibition” that featured all-time great Aussie swimmers, including John Devitt and John Conrad.
1948 Olympics – Swimming & Diving (London)
Good color film coverage from London, incl. slow-motion.
Events: Men & Women Freestyle; Men 10m platform diving; Women 3m springboard diving