Authors and recipients as follows. The first three letters are photocopies. Letter from Butler to J.A. and Mrs Fuller Maitland, 1902, concerning Butler's health; two letters from R.A. Steatfeild (Butler's literary executor) to Bateson, 1909, 1910; letter from H.F. Jones (biographer of Butler) to Bateson, 1909; postcard from R.C. Punnett to Bateson, 1925.