Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Letters of Charles Darwin to JD Hooker (22 October, 1881), Lyon Playfair (26 May, 1875), Lyon Playfair (28 May, 1875), George John Romanes (4 June, 1876), Thomas Lauder Brunton (19 November, 1881), with Reply (21 November, 1881), Thomas Lauder Brunton (22 November, 1881), Thomas Lauder Brunton (17 December, 1881), Thomas Lauder Brunton (14 February, 1882)