t. Assn. Test. Mat., 1912, XXIII_{4}, pp. 12.

LANZA, GAETANO: An account of certain tests on the transverse
strength and stiffness of large spruce beams. Trans. Am. Soc.
Mech. Eng., Vol. IV, 1882, pp. 119-135. See also Jour. Franklin
Inst., Vol. XCV, 1883, pp. 81-94.

LASLETT, T.: Properties and characteristics of timber. Chatham,
1867.

----: Timber and timber trees, native and foreign. (2d ed.
revised and enlarged by H. Marshall Ward.) London and New York,
1894.

LEA, W.: Tables of strength and deflection of timber. London,
1861.

LEDEBUR, A.: Die Verarbeitung des Holzes auf mechanischem Wege.
1881.

LORENZ, N. VON: Analytische Untersuchung des Begriffes der
Holzhaerte. Centralblatt f. d. ges. Forstwesen, Wien, 1909, pp.
348-387.

LUDWIG, PAUL: Die Regelprobe. Ein neues Verfahren zur
Haertebestimmung von Materialien. Berlin. 1908.

MACFARLAND, H.B.: Tests of longleaf pine bridge timbers. Bul.
149, Am. Ry. Eng. Assn., Sept., 1912. See also Eng. News, Dec.
12, 1912, p. 1035.

McKAY, DONALD: On the weight and strength of American
ship-timber. Jour. Franklin Inst., Vol. XXXIX (3d series), 1860,
p. 322.

MALETTE, J.: Essais des bois de construction. Revue Technique,
Apr. 25, 1905.

MANN, JAMES: Australian timber: its strength, durability, and
identification. Melbourne, 1900.

MARTIN, CLARENCE A.: Tests on the relation between cross-bending
and direct compressive strength in timber. Railroad Gazette,
Mch. 13, 1903.

Methods of testing metals and alloys ... Recommended by the
Fourth Congress of the International Association for Testing
Materials, held at Brussels, Sept. 3-6, 1906. London, 1907, pp.
54. Methods of testing wood, pp. 39-49.

MIKOLASCHEK, CARL: Untersuchungen ueber die Elasticitaet und
Festigkeit der wichtigsten Bau- und Nutzhoelzer. Mitt. a. d.
forstl. Versuchswesen Oesterreiches, II. Bd., 1. Hft., Wien,
1879.

MOELLER, JOSEPH: Die Rohstoffe des Tischler- und
Drechslergewerbes. I. Theil: Das Holz. Kassel, 1883, pp. 68-122.

MOLESWORTH, G.L.: Graphic diagrams of strength of teak beams.
Roorke, 1881.

MORGAN, J.J.: Bending strength of yellow pine timber. Eng.
Record, Vol. LXVII, 1913, pp. 608-609.

MOROTO, K.: Untersuchungen ueber die Biegungselasticitaet und
-Festigkeit der japanischen Bauhoelzer. Centralblatt f. d. ges.
Forstwesen, Wien, 1908, pp. 346-355.

NORDLINGER, H.: Die technischen Eigenschaften der Hoelzer fuer
Forst- und Baubeamte, Technologen und Gewerbetreibende.
Stu