This paper describes the efforts of the Program on Teacher Effectiveness of the Stanford Center for Research and Development in Teaching to survey and catalog available teacher training products. It is stated that the project developed from the program's own need to identify potential products which could be incorporated into the program's Systematic Teacher Training Model--a flexible training system for preservice and inservice teachers. The paper defines teacher training products and describes the identification of products. In a section on what makes up a "flexible catalog," the following categories are outlined: developers, subject matter specificity, target audience, grade level specificity, target outcomes for teachers and for students, availability, nature of the training situation, and field test results. The final section describes the uses of a computerized catalog. (JA)