The 19th c. is as good a place to begin as any. 1847 saw the publication of Eastlake's <Materials for a History of Oil Painting>, since reprinted by Dover under the title, <Methods and Materials of Painting of the Great Schools and Masters>. Mrs. Merrifield's <Original Treatises on the Arts of Painting> was published in 1849. More recently, the Journal, <Museum> vols. III, Nos. 2,3, and IV, No. (1950, 51) published a series of articles concerning the care of paintings. Norman Brommelle wrote, "Material for a History of Conservation" which was published in <Studies in Conservation>, vol. II, No. 4 (Oct., 1956). Sheldon Keck wrote, "Further Materials for a History of Conservation", in <Preprints> (of papers presented at the fourth annual meeting of AIC) in 1976. Caroline Keck wrote, "The Position of the Conservator in the Last Quarter of the Twentieth Century" for vol. 18, No. 1 (1978) for <Journal of the American Institute for Conservation>. Preprints of the Washington Congress (1982) of the International Institute for Conservation are entitled <Science and Technology in the Service of Conservation>. Sheldon Keck wrote, "Some Picture Cleaning Controversies: Past and Present", for vol. 23, No. 2 (1984) for the <Journal of the American Institute for Conservation>. Jack C. Thompson Thompson Conservation Lab Portland, OR [log in to unmask]