GOTTGETREU, RUDOLPH: Physische und chemische Beschaffenheit der Baumaterialien. 3d ed., Berlin, 1880.

GREEN, A.O.: Tasmanian timbers: their qualities and uses. Hobart, Tasmania, 1903, pp. 63.

GREGORY, W.B.: Tests of creosoted timber. Trans. Am. Soc. C.E., Vol. LXXVI, 1913, pp. 1192-1203. See also ibid., Vol. LXX, p. 37.

GRISARD, JULES, et VANDENBERGHE, MAXIMILIEN: Les bois industriels, indigènes et exotiques; synonymie et description des espèces, propriétés physiques des bois, qualités, défauts, usages et emplois. Paris, 189-. From Bul. de la Société nationale d'acclimatation de France, Vols. XXXVIII-XL.

Hardwoods of Western Australia. Engineering, Vol. LXXXIII, Jan. 11, 1907, pp. 35-37.

HATT, WILLIAM KENDRICK: A Preliminary program for the timber test work to be undertaken by the Bureau of Forestry, United States Department of Agriculture. Proc. Am. Soc. Test. Mat., Vol. III, 1903, pp. 308-343. Appendix I: Method of determining the effect of the rate of application of load on the strength of timber, pp. 325-327; App. II: A discussion on the effect of moisture on strength and stiffness of timber, together with a plan of procedure for future tests, pp. 328-334.

HATT, WILLIAM KENDRICK: Relation of timber tests to forest products. Proc. Int. Assn. Test. Mat., 1906, C 2 e, pp. 6.

- - : Structural timber. Proc. Western Ry. Club, St. Louis, Mch. 17, 1908.

- - : Abstract of report on the present status of timber tests in the Forest Service, United States Department of Agriculture. Proc. Int. Assn. Test. Mat., 1909, XVL, pp. 10.

- - and TURNER, W.P.: The Purdue University impact machine. Proc. Am. Soc. Test. Mat., Vol. VI, 1906, pp. 462-475.

HAUPT, HERMAN: formulæ for the strain upon timber. Center of gravity of an ungula and semi-cylinder. Jour. Franklin Inst., Vol. XIX, 3d series, 1850, pp. 408-413.

HEARDING, W.H.: Report upon experiments ... upon the compressive power of pine and hemlock timber. Washington, 1872, pp. 12.

HOWE, MALVERD A.: Wood in compression; bearing values for inclined cuts. Eng. News, Vol. LXVIII, 1912, pp. 190-191.

HOYER, EGBERT: Lehrbuch der vergleichenden mechanischen Technologie. 1878.

IHLSENG, MANGUS C.: On the modulus of elasticity of some American woods as determined by vibration. Van Nostrand's Eng. Mag., Vol. XIX, 1878, pp. 8-9.

- - : On a mode of measuring the velocity of sounds in woods. Am. Jour. Sci. and Arts, Vol. XVII, 1879.

JACCARD, P.: Étude anatomique des bois comprimés. Mitt. d. Schw. Centralanstalt f. d. forst. Versuchswesen. X. Bd., 1. Hft., Zurich, 1910, pp. 53-101.

JANKA, GABRIEL: Untersuchungen über die Elasticität und Festigkeit der österreichischen Bauhölzer. I. Fichte Südtirols; II. Fichte von Nordtirol vom Wienerwalde und Erzgebirge; III. Fichte aus den Karpaten, aus dem Böhmerwalde, Ternovanerwalde und den Zentralalpen. Technische Qualität des Fichtenholzes im allgemeinen; IV. Lärche aus dem Wienerwalde, aus Schlesien, Nord- und Südtirol. Mitt. a. d. forst. Untersuchungswesen Oesterreichs, Wien, 1900-13.

- - : Untersuchungen über Holzqualität. Centralblatt f. d. ges. Forstwesen. Wien, 1904, pp. 95-115.

- - : Ueber neuere holztechnologische Untersuchungen. Oesterr. Vierteljahresschrift für Forstwesen, Wien, 1906, pp. 248-269.

- - : Die Härte des Holzes. Centralblatt f. d. ges. Forstwesen, Wien, 1906, pp. 193-202; 241-260.

JANKA, GABRIEL: Die Einwirkung von Süss- und Salzwässern auf die gewerblichen Eigenschaften der Hauptholzarten. I. Teil. Untersuchungen u. Ergebnisse in mechanisch-technischer Hinsicht. Mitt. a. d. forst. Versuchswesen Oesterreichs, 33. Hft., Wien, 1907.

- - : Results of trials with timber carried out at the Austrian forestry testing-station at Mariabrunn. Proc. Int. Assn. Test. Mat., 1906, Disc. 2 e, pp. 7.

- - : Ueber die an der k. k. forstlichen Versuchsanstalt Mariabrunnen gewonnenen Resultate der Holzfestigkeitsprüfungen. Zeitschrift d. Oesterr. Ing. u. Arch. Ver., Wien, Aug. 9, 1907.

- - : Ueber Holzhärteprufüng. Centralblatt f. d. ges. Forstwesen, Wien, 1908, pp. 443-456.

- - : Testing the hardness of wood by means of the ball test. Proc. Int. Assn. Test. Mat., 1912, XXIII.

JENNY, K.: Untersuchungen über die Festigkeit der Hölzer aus den Ländern der ungarischen Krone. Budapest, 1873.

JOHNSON, J.B.: Time tests of timber in endwise compression. Paper before Section D, Am. Assn. for Adv. of Sci., Aug., 1898.

JOHNSON, WALTER B.: Experiments on the adhesion of iron spikes of various forms when driven into different species of timbers. Jour. Franklin Inst., Vol. XIX (n.s.), 1837, pp. 281-292.

JULIUS, G.A.: Western Australia timber tests, 1906. The physical characteristics of the hardwoods of Western Australia. Perth, 1906, pp. 36.

- - : Supplement to the Western Australia timber tests, 1906. The hardwoods of Australia. Perth, 1907, pp. 6.

KARMARSH, CARL: Handbuch der mechanischen Technologie. I. Aufl., 1837; V. Aufl., 1875; verm. von H. Fisher, 1888.

KIDDER, F.E.: Experiments on the transverse strength of southern and white pine. Van Nostrand's Eng. Mag., Vol. XXII, 1880, pp. 166-168.

- - : Experiments on the strength and stiffness of small spruce beams. Ibid., Vol. XXIV, 1881, pp. 473-477.

- - : Experiments on the fatigue of small spruce beams. Jour. Franklin Inst., Vol. CXIV, 1882, pp. 261-279.

KIDWELL, EDGAR: The efficiency of built-up wooden beams. Trans. Am. Inst. Min. Eng., Feb., June, 1898.

KIRKALDY, WM. G.: Illustrations of David Kirkaldy's system of mechanical testing. London, 1891.

KUMMER, FREDERICK A.: The effects of preservative treatment on the strength of timber. Proc. Am. Soc. Test. Mat., Vol. IV, 1904, pp. 434-438.