Conford, Massingham was uncomfortable with what he felt was a pro-German tendency in this group. When the Kinship later merged with two other bodies to form the Soil Association, Massingham with Gardiner, the landowner Lord Portsmouth and the agricultural journalist Lawrence Easterbrook came onto the Soil Association's Council. After Massingham's death his collection of tools, implements and products of craftsmanship and husbandry were donated to the Museum of English Rural Life. Many of the objects appear in his book "Country Relics". Works Letters to X from H.J. Massingham (1919) Constable & Co. Dogs, Birds, and Others (1921), letters to The Spectator, editor Some Birds of the Countryside: The Art Of Nature (1921) "John Clare". The Athenaeum, 4732 (7 January 1921): 9–10. Poems About Birds from the Middle Ages to the Present Day (1922), editor Andrew Marvell 1621–1678 Tercentenary Tributes (1922) co-editor Untrodden Ways – Adventures of English Coasts, Heaths and Marshes and Also Among the Works of Hudson, Crabbe and Other Country Writers (1923) Sanctuaries for Birds and How to Make Them (1924) In Praise of England (1924), miscellany H. W. M.: A Selection From the Writings of H. W. Massingham (1925), editor Downland Man (1926) Fee, Fi, Fo, Fum: The Giants in England (1926) The Golden Age: The Story of Human Nature (1927) The Heritage of Man (1929) Guide to the Cotswolds, with Clough Williams-Ellis, and others Pre-Roman Britain (1930) The Friend of Shelley: A Memoir of Edward John Trelawny (1930) A Treasury of seventeenth Century English Verse (1931) editor Birds of the Seashore (1931) Wold Without End (1932) London Scene (1933) The Great Victorians (1932), with Hugh Massingham English Country: Fifteen Essays by Various Authors (1934) editor, with H. E. Bates, Edmund Blunden, W. H. Davies, Vita Sackville-West, A. G. Street, John Collier Country (1934), illustrated with photographs by Edgar Ward World Without End (1935) Through the Wilderness (1935) English Downland (1936) The Genius of England (1937) The Writings of Gilbert White of Selborne (Nonesuch Press, 1938), editor, two volumes with engravings by Eric Ravilious Britain and the Beast (1937), essay volume with A. G. Street, J. M. Keynes, John Moore, E. M. Forster, Clough Williams-Ellis Shepherd's Country: a Record of the Crafts and People of the Hills (1938) Country Relics (1939) A Countryman's Journal (1939) The English Countryside (1939), editor, with Adrian Bell, Harry Batsford, H. E. Bates. Batsford, Harry; Fry, Charles; Clark, Geoffrey; Warren, C. Henry;