Papers in this issue cover the following topics: Recommendations for the further development of stone conservation ; Problems in stoneconservation, by Hans Prescher; Methods and materials in stone conservation, by H. Materna; Restorers' requirements of stone conservation materials, by R. Moeller; Reduced elasticity-a disadvantage of stone impregnation, by W. Preiss; The Tulip pulpit in Freiberg cathedral, by Dieter Beeger, H. Prescher, and H. Magirius; Report on a long-term study of weathering of sandstone building stone, by S. Grunert; Attempts at artificial coloring of sandstone, by S. Grunert; Restoration, conservation, and reconstruction of sculptures at Potsdam Sanssouci, by R. Boehm; History of the stone industry in Saxony, by B. Mueller. -- AATA