URLs

• https://ja.wikipedia.org/wiki/山下高明
• https://anidb.net/creator/3165
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=4061
• https://w.atwiki.jp/anime_wiki/pages/758.html
• https://w.atwiki.jp/sakuga/pages/48.html
• https://myanimelist.net/people/15187