https://www.animenewsnetwork.com/news/2012-07-17/discotek-media-adds-lupin-iii/the-secret-of-mamo-film
Discotek Media Adds Lupin III: The Secret of Mamo Film - News - Anime News Network
DVD release to include 4 English dubs from Geneon, Streamline Pictures, Manga Entertainment UK, TOHO
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https://www.animenewsnetwork.com/encyclopedia/releases.php?id=1172
Lupin the 3rd: The Secret of Mamo (DVD) - Anime News Network
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