https://www.animenewsnetwork.com/news/2010-01-04/katanagatari-production-materials-posted-before-debut
Katanagatari Production Materials Posted Before Debut (Updated) - News - Anime News Network
Opening animation, designs, storyboards allegedly leaked from studio's FTP site
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https://danbooru.donmai.us/pools/7171
Katanagatari - Katanagatari Contemporary Comic | Danbooru
katanagataricontemporarycomicdanbooru
https://www.animenewsnetwork.com/news/2011-04-15/nis-america-adds-katanagatari-arakawa-under-the-bridge
NIS America Adds Katanagatari, Arakawa Under the Bridge - News - Anime News Network
English-subtitled Blu-ray/DVD combo releases slated for July
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