Authentic Guitar Tabs
A Japanese company by the name of Shinko Music has published a book featuring some Carcass transcriptions, entitled "Carcass's Best." You should be able to special order it, but it will be expensive. [I just ordered it from Pro-Sound in Champaign, IL; it will probably take 4-6 weeks, and could possibly cost up to $40-60].
Point Blank Merchandising should also be able to help you locate the book if you are unable to find any stores willing or able to import books. [Their address is listed in the miscellaneous information page...]
Shinko Music Pub. Co., Ltd.
2-1 Ogawacho Kanda Chiyoda-ku,
Tokyo 101, Japan
Phone: +81-3-3295-4191 (the business office), +81-3-3292-1341 (the editorial staff office)
"Band Score: Carcass's Best"
The book includes transcriptions for Buried Dreams, Carnal Forge, Heartwork, Tools of the Trade, Inpropagation, Symposium of Sickness, and the original version of Pyosisified (Rotten to the Gore).