1. A construction of exceptional Jordan division algebras;Albert;Ann. of Math.,1958
2. On reduced exceptional simple Jordan algebras;Albert;Ann. of Math.,1957
3. Démonstration d'une hypothèse de M. Artin, Abh;Chevalley;Math. Sem. Hans. Univ., Bd.,1936
4. Composition algebras and their automorphisms, Rend. Cire;Jacobson;Mat. Palermo, serie II, tomo,1958
5. Jacobson, N., Exceptional Lie algebras, mimeographed paper (57 p.).