TETMAJER, L. v.: Zur Frage der Knickungsfestigkeit der Bauhölzer. Schweizerische Bauzeitung, Bd. 11, Nr. 17. ----: Methoden und Resultate der Prüfung der schweizerischen Bauhölzer. Mitt. d. Anstalt z. Prüfung v. Baumaterialien am eidgenössischen Polytechnicum in Zürich. 2. Hft., 1884. ----: Methoden und Resultate der Prüfung der schweizerischen Bauhölzer. Mitt. d. Materialprüfungs-Anstalt am Schweiz. Polytechnikum in Zürich. Landesaustellungs-Ausgabe, 2. Hft., Zürich, 1896. THELEN, ROLF: The structural timbers of the Pacific Coast. Proc. Am. Soc. Test. Mat., Vol. VIII, 1908, pp. 558-567. THURSTON, R.H.: Torsional resistance of materials determined by a new apparatus with automatic registry. Jour. Franklin Inst., Vol. LXV, 1873, pp. 254-260. ----: On the strength of American timber. _Ibid._, Vol. LXXVIII, 1879, pp. 217-235. ----: Experiments on the strength of yellow pine. _Ibid._, Vol. LXXIX, 1880, pp. 157-163. ----: Influence of time on bending strength and elasticity. Proc. Am. Assn. for Adv. Sci., 1881. Also Proc. Inst. C.E., Vol. LXXI. ----: On the effect of prolonged stress upon the strength and elasticity of pine timber. Jour. Franklin Inst., Vol. LXXX, 1881, pp. 161-169. THURSTON, R.H.: On Flint's investigations of Nicaraguan woods. _Ibid._, Vol. XCIV, 1887, pp. 289-315. TIEMANN, HARRY DONALD: The effect of moisture and other extrinsic factors upon the strength of wood. Proc. Am. Soc. Test. Mat., Vol. VII, 1907, pp. 582-594. ----: The effect of the speed of testing upon the strength of wood and the standardization of tests for speed. _Ibid._, Vol. VIII, 1908, pp. 541-557. ----: The theory of impact and its application to testing materials. Jour. Franklin Inst., Vol. CLXVIII, 1909, pp. 235-259; 336-364. ----: Some results of dead load bending tests of timber by means of a recording deflectometer. Proc. Am. Soc. Test. Mat., Vol. IX, 1909, pp. 534-548. TJADEN, M.E.H.: Het Indrukken van Paalkoppen in Kespen. De Ingenieur, Sept. 11, 1909. ----: Weerstand van Hout loodrecht op de Vezelrichting. _Ibid._, May, 1911. ----: Buigvastheid van Hout. _Ibid._, May 31, 1913. TRAUTWINE, JOHN C.: Shearing strength of some American woods. Jour. Franklin Inst., Vol. CIX, 1880, pp. 105-106. TREDGOLD, THOMAS: Elementary principles of carpentry. London, 1870. TURNBULL, W.: A practical treatise on the strength and stiffness of timber. London, 1833. Untersuchungen über den Einfluss des Blauwerdens auf die Festigkeit von Kiefernholz. Mitt. a. d. könig. techn. Versuchsanstalten, I, 1897. Verfahren zur Prüfung v. Metallen und Legierungen, von hydraulischen Bindemitteln, von Holz, von Ton-, Steinzeug- und Zementröhren. Empfohlen v. dem in Brüssel v. 3-6, IX, 1906, abgeh. IV. Kongress des internationalen Verbandes f. die Materialprüfungen der Technik. Wien, 1907. WARREN, W.H.: Australian timbers. Sydney, 1892. ----: The strength, elasticity, and other properties of New South Wales hardwood timbers. Sydney, 1911.