Anonymous. Anonymous. "立川清登" [Tachikawa Sumito]. Kotobank (in Japanese). Archived from the original on April 4, 2024. Retrieved April 4, 2024.
kyushu-u.ac.jp
catalog.lib.kyushu-u.ac.jp
Tomizawa, Mizuo; Satō, Keiji. "みんなのうた《大きな古時計》(1962年)映像再現の試みについて" [On the Attempt to Revive the 1962 Footage of "My Grandfather's Clock" from Minna no uta] (PDF). Kyushu University Institutional Repository (in Japanese). pp. 23–24. Archived(PDF) from the original on April 5, 2024. Retrieved April 5, 2024.
megalodon.jp
Anonymous. Anonymous. "立川清登" [Tachikawa Sumito]. Kotobank (in Japanese). Archived from the original on April 4, 2024. Retrieved April 4, 2024.
"立川清登" [Tachikawa Sumito]. NHKアーカイブス [NHK Archives] (in Japanese). Archived from the original on April 4, 2024. Retrieved April 4, 2024.
Tomizawa, Mizuo; Satō, Keiji. "みんなのうた《大きな古時計》(1962年)映像再現の試みについて" [On the Attempt to Revive the 1962 Footage of "My Grandfather's Clock" from Minna no uta] (PDF). Kyushu University Institutional Repository (in Japanese). pp. 23–24. Archived(PDF) from the original on April 5, 2024. Retrieved April 5, 2024.
Sasaki, Motoaki (March 26, 2017). "四季の歌〜ラジオ番組に寄せられた一本のリクエスト電話からヒットした叙情歌" [Song of the Four Seasons: How a Single Call-in Request to a Radio Show Made a Lyrical Song a Hit]. Tap the Pop (in Japanese). Archived from the original on April 4, 2024. Retrieved April 4, 2024.
nhk.or.jp
www2.nhk.or.jp
"立川清登" [Tachikawa Sumito]. NHKアーカイブス [NHK Archives] (in Japanese). Archived from the original on April 4, 2024. Retrieved April 4, 2024.
tapthepop.net
Sasaki, Motoaki (March 26, 2017). "四季の歌〜ラジオ番組に寄せられた一本のリクエスト電話からヒットした叙情歌" [Song of the Four Seasons: How a Single Call-in Request to a Radio Show Made a Lyrical Song a Hit]. Tap the Pop (in Japanese). Archived from the original on April 4, 2024. Retrieved April 4, 2024.