Proceedings of the 5th National School in Algebra, held in Varna, Bulgaria, Sept. 24 - Oct. 4, 1986

Lectures given at the 2nd 1986 Session of the Centro Internazionale Matematico Estivo (C.I.M.E.) held at Montecatini Terme, Italy, June 25 - July 3, 1986

Proceedings of a Conference, held in Trento, Italy, June 16-21, 1986

Proceedings of the Japanese-French Seminar held in Paris, France, June 16-19, 1987

Proceedings of the U.S.-Israel Workshop on Model Theory in Mathematical Logic Held in Chicago, Dec. 15-19, 1985

Proceedings of a Symposium held in Barcelona, April 2-8, 1986

Proceedings Paris 1986