Bichat: Pettigrew; Buckle, Hist. Civ., vol. I, p. 639; The Hundred
Greatest Men; _Les Savants Modernes_, p. 394; _The Practitioner_,
vol. 56, 1896. Koelliker: His Autobiography, Erinnerungen aus Meinem
Leben, 1899, several portraits, interesting; Weldon, Life and Works in
_Nature_, vol. 58, with fine portrait; Sterling, _Ann. Rept. Smithson.
Inst._, 1905. Schultze: Portrait and Necrology by Schwalbe in _Archiv
für Mikroscop. Anat._, vol. 10, 1874; See further under chapter XII.
Virchow: _J. Hop. Univ. Circulars_, vol. XI, 1891, Celebration of
Seventieth Birthday of Virchow, Addresses by Osler, Welch, and others;
Jacobi, _Medical Record_, N.Y., vol. XX, 1881, good; Israel, in
_Ann. Rept. Smithson. Inst._, 1902. Leydig: Brief sketch in his Horæ
Zoologicæ, 1902. Ramon y Cajal: Portrait in Tenth Anniversary of Clark
University, 1899.