THE EUROPEAN COORDINATOR AND RESIDENT CO-DIRECTOR OF THE MANNHEIM-HEIDELBERG BRANCH OF THE SUMMER 1966 LANGUAGE INSTITUTE IN FRANCE AND GERMANY PREPARED THIS EVALUATION OF THE INTERNATIONAL VENTURE. DESIGNED TO ANALYZE THE INNOVATIONAL ASPECTS OF THE 1966 INSTITUTE WITH THE IDEA OF STRENGTHENING THE EFFECTIVENESS OF THIS AND SIMILAR PROGRAMS, THE COMMENTARY (1) EXAMINES, FROM THE EUROPEAN POINT OF VIEW, THE PREPARATION AND CONDUCT OF THE INSTITUTE, (2) EMPHASIZES SPECIFIC PROBLEMS AND ADVANTAGES ASSOCIATED WITH EUROPEAN PARTICIPATION, AND (3) EVALUATES THE PRESENT AND POTENTIAL ROLE OF SUCH INSTITUTES IN EUROPEAN EDUCATION. THE REPORT DESCRIBES THE GENESIS OF THE IDEA, THE PREPARATION OF THE PROJECT, AND THE STRUCTURE AND ORGANIZATION OF THE INSTITUTE. THE FEATURES OF THE INSTITUTE ARE EVALUATED, WITH SPECIAL ATTENTION PAID TO ITS FUNCTION AND DURATION, THE AGE OF REFERENCE GROUPS, RECOMMENDED EMPHASES, AND SUPPLEMENTARY ACTIVITIES. CONCLUDING REMARKS PERTAIN TO THE VALUE, EXTENSIONS, AND POTENTIAL OF JOINT INSTITUTES. (AB)