MEDIUMS AND ADHESIVES 87 D. E. Strain, * Viscosity Variations in Methacrylic Ester Polymer Solutions/ Industrial and Engineering Chemistry, XXXII (1940), pp. 540-551. D, E. Strain, R. G. Kennelly and H. R. Dittmar, * Methacrylate Resins/ Industrial and Engineering Chemistry, XXXI (1939), pp. 382-387. Edwin Sutermeister, Casein and Its Industrial Applications (New York: The Chemical Catalogue Co., 1927). R. S. Taylor and J. G. Smull, 'Studies in the Drying Oils, XIX: Oxidation of Linseed Oil/ Industrial and Engineering Chemistry, XXVIII (1936), pp. 193-195. Daniel V. Thompson Jr, // Libro delf Arte: The Craftsman's Handbook of Cennino £ Andrea Cennini (New Haven: Yale University Press, 1933). The Materials of Medieval Painting (New Haven: Yale University Press, 1936). The Practice of Tempera Painting (New Haven: Yale University Press, 1936). Daniel V. Thompson Jr and George Heard Hamilton, De Arte Illuminandi (New Haven: Yale University Press, 1933). Edward Thorpe, A Dictionary of Applied Chemistry (London: Longmans, Green and Co., 1922). J. F. Thorpe and M. A. Whitely, Supplement to Thorpes Dictionary of Applied Chemistry (London: Longmans, Green and Co., 1934). Maximilian Toch, Paint, Paintings and Restoration (New York: D. Van Nostrand Co., T» R. Truax, The Gluing of Wood (Washington, D. C.: Government Printing Office, 1930). A. Tschirch and Erich Stock, Die Harze* 4 vols (Berlin: Gebriider Borntraeger, 1933- 1936). Hermann Vollman, 'Zur Kolloidchemie des Leino'ls/ Zeitschriftfur Angewandte Chemie, XXXVIII (1925), pp. 337-339- Hans Wagner and Georg Fischer, 'Filmbildung aus Emulsionen/ Kolloid Zeitschrift, LXXVII (1935), pp. 12-30. R. Walton, A Comprehensive Survey of Starch Chemistry (New York: The Chemical Catalogue Co., 1928). J. F. Watin, LArt du Peintre, Doreur, Femisseur, 2d ed. (Liege, 1778). S. Werthan, A. C. Elm, and R. H. Wien, 'Yellowing of Interior Gloss Paints and Enamels/ Industrial and Engineering Chemistry, XXII (1930), pp, 772-784. R. V. Williamson, 'Relation of Oil Absorption to Consistency of Pigment-Oil Pastes/ Industrial and Engineering Chemistry, XXI (1929), pp. 1196-1198. S. P. Wilson, Pyroxylin Enamels and Lacquers -, ad ed. (New York: D. Van Nostrand Co., 1927). Hans Wolff, The Critical Oil Content and the Properties of Paint Films/ Paint and Famish Production Manager, VIII (October, 1932), pp, 5-6; (November, 1932), pp. 8-10. George Woodbury, 'Note on the Use of Polymerized Vinyl Acetate and Related Com- pounds in the Preservation and Hardening of Bone/ American Journal of Physical Anthropology, XXI (1936), pp. 449-450.