The Cell-Doctrine by Tyson, 1878. The Cell-Theory, Huxley,
_Medico-chir. Review_, 1853, also in Scientific Memoirs, vol. I, 1898;
The Modern Cell-Theory, M'Kendrick, _Proc. Phil. Soc. Glasgow_, vol.
XIX, 1887; The Cell-Theory, Past and Present, Turner, _Nature_, vol.
43, 1890; The Cell-Doctrine, Burnett, _Trans. Am. Med. Assn._, vol.
VI, 1853; First illustration of cells in Rob't Hooke's Micrographia,
1665, 1780, etc.; The Cell in Development and Inheritance, Wilson,
1896; Article Cell, in Chambers's (New) Cyclopædia, by Thomson.
Schleiden: Sketch of, _Pop. Sci. Mo._, vol. 22, 1882-1883; Sachs'
Hist. of Botany 1890; Translation of his original paper of 1838 (Ueber
Phytogenesis)--illustrations--Sydenham Soc., 1874. Schwann: Life, _Pop.
Sci. Mo._, vol. 37, 1900; Sa Vie et Ses Travaux, Frédéricq, 1884;
Nachruf, Henle, _Archiv f. Mik. Anat._, vol. 21, 1882; Lankester,
_Nature_, vol. XXV, 1882; _The Practitioner_, vol. 49, 1897; _The
Catholic World_, vol. 71, 1900. Translation of his contribution of
1839 (Mikroscopische Untersuchungen ueber die Uebereinstimmung in der
Structur und dem Wachstum der Thiere und Pflanzen), Sydenham Soc., 1847.