Sylvia Townsend Warner, Valentine Ackland, Susanna Pinney (1998). “I'll stand by you: selected letters of Sylvia Townsend Warner and Valentine Ackland : with narrative by Sylvia Townsend Warner”, Random House (UK)
Henry David Thoreau (2017). “HENRY DAVID THOREAU – The Man, The Philosopher & The Trailblazer (Illustrated): Biographies, Memoirs, Autobiographical Books & Personal Letters (Including Walden, A Week on the Concord and Merrimack Rivers, The Maine Woods, Cape Cod, A Yankee in Canada…)”, p.932, e-artnow