August 15, 1896 — W. De W. Abney
June 22, 1895 — W. De W. Abney
Lecture III
October 27, 1894 — W. De W. Abney
October 20, 1894 — W. De W. Abney
October 13, 1894 — W. De W. Abney
May 27, 1893 — W. De W. Abney
June 14, 1890 — W. De W. Abney
October 5, 1889 — W. De W. Abney
March 23, 1889 — W. De W. Abney
March 16, 1889 — W. De W. Abney
May 28, 1887 — W. De W. Abney
October 21, 1882 — W. De W. Abney
June 11, 1881 — W. De W. Abney
April 13, 1878 — W. De W. Abney
