URLs

• https://ja.wikipedia.org/wiki/加瀬政広
• https://anidb.net/creator/6183
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=14866
• https://w.atwiki.jp/anime_wiki/pages/513.html
• https://w.atwiki.jp/sakuga/pages/1095.html
• https://myanimelist.net/people/47541