URLs

• http://ja.wikipedia.org/wiki/松竹徳幸
• https://anidb.net/creator/6896
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=20418
• http://www7.atwiki.jp/anime_wiki/pages/1570.html
• http://www18.atwiki.jp/sakuga/pages/236.html
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=1204