Crazy for Kitties article on protein and amino acid requirements in cats.

Blakkatz Cattery article on amino acid requirements in the cat, with special attention to taurine and arginine.

Provet healthcare information article on health problems that can be caused by feeding cats all fish diets.

The Daily Cat article on why cats must eat meat.

Review of experiments comparing cats fed raw meat vs. cooked meat diets, plus comparative taurine requirements and synthesis in cats vs. humans.

Protein sources in cat foods and their digestibility, quality, and daily requirements.

Detailed information on taurine and cats, including scientific references.

Iams Company article on what taurine is, why it is important to cats, why it isn't always listed as an ingredient, how levels are checked, and clinical signs of taurine deficiency.

Blue Cross of India article on the importance of taurine in the feline diet.

The Vegetarian Society Information Sheet cautions against feeding cats a vegetarian diet.