Lectures and essays / by Stephen,Leslie. Stephen,Leslie. 1820-1893. Science. 530 CLL (cullings from Fragments of science). "Issued for the Rationalist Press Association, Limited." London : Watts, 1903. 1903. 1903 Text 120 p. ; eng R.P.A. cheap reprints ; no. 10 R.P.A. cheap reprints ; no. 10.