The papers in this collection were presented at the second seminar of the International Association for the Research and Dissemination of Audio-Visual and Structural-global Methods (AIMAV). The purpose of the seminar was to discuss the following in relation to teaching modern languages to adults: (1) operational definitions for proficiency levels, (2) criteria for the selection of oral and wirtten language materials, and (3) possibilities for international collaboration on (1) and (2). The 21 papers cover the following areas: (1) linguistic objectives for modern language teaching, (2) problems of adult education in the European community, (3) sociolinguistics and language teaching, (4) the teaching of English as a foreign language, (5) languages for special purposes, (6) language materials criteria, (7) course descriptions and course development, and (8) adult educational needs and teaching methods. Reports from the French, English, and Spanish groups at the seminar are also provided. The majority of the papers are written in English; the others are in French or German. (LG)