This volume represents the Proceedings of the VI. International Conference on Lymphatic Tissues and Germinal Centers in Immune Reactions. The Meeting took place in Damp, a small resort with great facilities on the shores of the Baltic Sea near Kiel on June 11 - 16, 1978. Both, the Genius loci and the God of Weathers were charming enough to stimulate the many participants from all continents and also to facilitate the establishment and/or maintenance of close contacts outside the sessions. The organizers of this Conference have tried to remind the scientific community of the necessity to (re-)...