Tip: you can get links to all of an author's works on their author page
Itou Junji. The individual pages should tell you whether or not they've been licensed, and if they have you should be able to pick them up at any manga seller.
It's against the rules to ask for download links/sources for scanlations though.
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Reviews of my Work:You are kind of boring - Blackorion
Congratulations! Ur an asshole! - tokyo_homi
Your awesome!!! - Cherelle_Ashley
NightSwan also said that she wanted to peg me, once, but I'm not sure whether to take that as a compliment or a threat...