"52年ヘルシンキ 競泳1500M自由形銀 橋爪四郎さん" [1952 Helsinki Swimming 1500M Freestyle Silver Shiro Hashizume]. nikkansports.com (in Japanese). Archived from the original on 2010-02-06.
"52年ヘルシンキ 競泳1500M自由形銀 橋爪四郎さん" [1952 Helsinki Swimming 1500M Freestyle Silver Shiro Hashizume]. nikkansports.com (in Japanese). Archived from the original on 2010-02-06.