The British Library

Publishing agreements 1883-92 (Society of Authors Archive, Add MSS 56638-44)

Correspondence with publishers about Stevenson’s works 1931-44 (Society of Authors Archive, Add MSS 56645-53)

Letters to Gosse (Ashley MSS 1776-5056, A 1775-1796, B 1780-4310)

Correspondence with William Archer (Add MS 45295)

Correspondence with R.A: Mowbray (Add MS 40719, 28 letters)

MS of ‘Ticonderoga’