Kinsella, Sharon (1998). "Japanese Subculture in the 1990s: Otaku and the Amateur Manga Movement". Journal of Japanese Studies. 24 (2): 289–316. doi:10.2307/133236. JSTOR133236.
doujin.gr.jp
The Japan Doujin-shi Printing Group (日本同人誌印刷業組合, Nihon dōjinshi insatsugyō kumiai), for instance, has warned doujinshi creators that they must practice self-censorship of some sexually explicit content that may run afoul of Japanese laws on the subject, because printers who are members of the association cannot print potentially illegal content. Nihon dōjinshi insatsugyō kumiai 日本同人誌印刷業組合. 2014. "Sākuru, Dōjinshi Sakka No Minasama He サークル・同人誌作家の皆さまへ." Nihon Dōjinshi Insatsugyō Kumiai 日本同人誌印刷業組合. Accessed May 8. http://www.doujin.gr.jp/foradult.html.
Kinsella, Sharon (1998). "Japanese Subculture in the 1990s: Otaku and the Amateur Manga Movement". Journal of Japanese Studies. 24 (2): 289–316. doi:10.2307/133236. JSTOR133236.
103 companies are on a list which was compiled in January 2014. "Dōjinshi Insatsu Gaisha Fuseji Hyōgen Ichiran 同人誌印刷会社伏字表現一覧." 2014. CLUBPEPPER. Accessed May 8. http://club.pep.ne.jp/~onmitu/fuseji.html.
shippo.co.jp
Neko no Shippo, for instance, lists event organization and support as a company activity. Neko no shippo ねこのしっぽ. 2014. "Kaisha Annai 会社案内." Neko No Shippo ねこのしっぽ. Accessed May 8. http://www.shippo.co.jp/neko/corporation/index.shtml.
