[24] Beiblätter zu Wied. Ann. 1885, p. 275.
[25] Messungen über d. Kerr’sche Erscheinung. Inaugural Dissert. Leiden, 1893.
[26] Phil. Mag. [5] 5, p. 161.
[27] Phil. Mag. [3] 28, p. 469.
[28] Die Magn. Drehung d. Polarisationsebene des Lichts, Halle, 1863.
[29] Electricity and Magnetism, chap. xxi.
[30] Phil. Trans. 1880 (2), p. 691.
[31] Phil. Mag. (5) 11, p. 254, 1881.
[32] Arch. Néerl. 19, p. 123.
[33] Wied. Ann. 23, p. 493; 67, p. 345.