References
- Eder, J. M., Geschiclite tier Photographic, 4th Ed. W. Knapp, Halle (Saale) 1932, p. 603
- Levenson, G. I. P., J. phologr. Sci., 30, 153 (1982).
- Berthollet, M., Ann. Cliim. ii, 54(1789).
- Citoyens Fourcroy et Vauquelin, Ann. Cliim. XXIV, 229 (1797).
- Muspratt, J. S., Memoirs of the Clwm. Soc., 3, 292 London (1848).
- Drevitt, C. A., Chem. News., 4, 123 (1861).
- Anon, BJP. 37, 387 (1890).
- BJP Almanac, p. 49 (1875).
- BJP, 24, 48 (1877).
- BJP, 25, 111 (1878).
- Lermantov, V., Supplement: On the Photographic Process, St. Petersburg Phys. Soc. (1877), 6 pp.
- BJP, 28, 206 (1881).
- BJP Almanac, p. 117 (1876).
- BJP 23, 83, (1876).
- ibid 178.
- BJP, 24, 17 (1877).
- ibid, 25.
- ibid, 38.
- ibid, 41.
- Photogr. J. 1, 63 (1877).
- BJ P, 25, 374 (1878).
- ibid, 532.
- Photogr. .J., 15, 90(1891).
- Woodbury, W. E., Encyclopaedia of Photography, Ilifie & Son London (1892), p. 203.
- Photogr. News., 24, 589 (1880).
- BJP Almanac, p. 58 (1881).
- BJP Almanac, p. 43 (1882).
- BJP, 29, 48, (1882).
- J. Soc. Arts, 30, 880 (1882).
- BJP, 29, 427 (1882).
- BJP, 31, 148 (1884).
- BJP, 28, 210 (1881).
- Probate granted 11th July 1890.