[Letters] 1859 September 24 - 1863 May 2, London, [to Robert Harley] / A[rthur] Cayley.

09/24/1859 recto 09/24/1859 verso 09/28/1859 recto 09/28/1859 verso 10/05/1859 recto 10/05/1859 verso 10/14/1859 recto 10/14/1859 verso 11/18/1859 recto 11/18/1859 verso 12/12/1859 recto 12/31/1859 recto 12/31/1859 verso 01/19/1860 1 recto 01/19/1860 1 verso 01/19/1860 2 recto 01/25/1860 recto 01/25/1860 verso 01/26/1860 recto 01/26/1860 verso 01/30/1860 recto 01/30/1860 verso 02/01/1860 recto 02/01/1860 verso 02/05/1860 recto 02/05/1860 verso 02/16/1860 recto 02/16/1860 verso 02/16/1860 recto 02/16/1860 verso 03/22/1860 recto 03/22/1860 verso 04/16/1860 recto 04/16/1860 verso 04/20/1860 recto 04/20/1860 verso 05/04/1860 recto 05/04/1860 verso 08/20/1860 recto 08/20/1860 verso 09/04/1860 recto 09/04/1860 verso 09/15/1860 recto 09/15/1860 verso 09/27/1860 recto 09/27/1860 verso 12/01/1860 recto 12/15/1860 recto 12/15/1860 verso 12/__/1860 recto 12/__/1860 verso 01/10/1861 recto 01/10/1861 verso 01/25/1861 recto 01/25/1861 verso 02/01/1861 recto 02/01/1861 verso 02/14/1861 recto 02/14/1861 verso 02/15/1861 recto 02/19/1861 1 recto 02/19/1861 1 verso 02/19/1861 2 recto 02/19/1861 2 verso 05/13/1861 recto 05/13/1861 verso 02/19/1862 recto 02/19/1862 verso 02/25/1862 recto 02/25/1862 verso 03/26/1862 recto 03/26/1862 verso 04/14/1862 recto 04/14/1862 verso 04/29/1862 recto 04/29/1862 verso 01/02/1863 recto 01/02/1863 verso 05/02/1863 recto 05/02/1863 verso