^Gardiner, J. S. (1941). "Sydney John Hickson. 1859–1940". Obituary Notices of Fellows of the Royal Society. 3 (9): 383–099.
doi:
10.1098/rsbm.1941.0009.
^"Reports and Analyses and Descriptions of New Inventions in Medicine, Surgery, Dietetics, and the Allied Sciences". BMJ. 1 (802): 603. 1876.
doi:
10.1136/bmj.1.802.603.
^"Sidney Harris Cox Martin. 1860–1924". The Journal of Pathology and Bacteriology. 28 (4): 698–699. 1925.
doi:
10.1002/path.1700280425.
^Gardiner, J. S. (1941). "Sydney John Hickson. 1859–1940". Obituary Notices of Fellows of the Royal Society. 3 (9): 383–099.
doi:
10.1098/rsbm.1941.0009.
^"Reports and Analyses and Descriptions of New Inventions in Medicine, Surgery, Dietetics, and the Allied Sciences". BMJ. 1 (802): 603. 1876.
doi:
10.1136/bmj.1.802.603.
^"Sidney Harris Cox Martin. 1860–1924". The Journal of Pathology and Bacteriology. 28 (4): 698–699. 1925.
doi:
10.1002/path.1700280425.