Introduction (Z. Arad, M. Muzychuk): Main Definitions; Basic Examples; Basic Properties, Basic Constructions -- ITA with a Faithful Nonreal Element of Degree 4 (Z. Arad, M. Muzychuk, H. Arisha, E. Fishman): Known Examples; Proof of the Main Results -- SITA with a Faithful Nonreal Element of Degree 5 (Z. Arad, F. Bรผnger, E. Fishman, M. Muzuychuk): Introduction; General Facts and Known Results; Degree 5; Case 3; Case 5 -- SITA with a Faithful Real Element of Degree 5 and Width 3 (F. Bรผnger): Introduction; Case 1; Case 2 -- The Enumeration of Primitive Commutative Association Schemes (M. Hirasaka): Introduction; The Case of Valency 1 or 2; The Case of Valency 3; The Case of Valency 4 -- References -- Index