John & Priscilla Tolkien, The Tolkien Family Album. HoM, 1992
Priscilla Tolkien: "J.R.R. Tolkien and Edith Tolkien's Stay in Staffordshire 1916, 1917 and 1918"
Bergen, 1997
Rayner Unwin, George Allen & Unwin: A Remembrancer
Maria Vegara, JRR Tolkien
Little People, Big Dreams
Michael White, Tolkien: A Biography
London, 2002
Michael White, Tolkien: A Biography (paperback)
Michael White, Tolkien: A Biography. Abacus, 2002
Michael White, Critical Lives: The Life and Work of J.R.R. Tolkien
Roger White (ed.), C.S. Lewis & His Circle
Essays and Memoirs from the Oxford C.S. Lewis Society
Jesse Xander, The Real JRR Tolkien
The Man Who Created Middle-earth
Zaleski, The Fellowship
The Literary Lives of the Inklings: Tolkien, Lewis, Barfield, Williams
Zaleski, The Fellowship (paperback)
The Literary Lives of the Inklings: Tolkien, Lewis, Barfield, Williams