1. A general theory of Jordan rings;McCrimmon,1966
2. The radical of a Jordan algebra;McCrimmon,1969
3. On the Lie and Jordan rings of a simple associative ring;Herstein;Am. J. Math.,1955
4. Lie and Jordan systems in simple rings with involution;Herstein;Am. J. Math.,1956
5. Topics in Ring Theory;Herstein;U. of Chicago Lecture notes,1965