- R. Bennett: 'Peter Warlock: The Man and his Songs', The Bookman, 64 (1923), 300-2
- H. Foss: 'Introductions: XIX Philip Heseltine', The Music Bulletin, 6 (1924), 202-206
- R. Bennet: 'Song-writers of the Day: 1. Peter Warlock', The Music Teacher, 5 (1926), 300-2
- [E. J. Moeran]: Peter Warlock (Philip Heseltine): Miniature Essay in English & French (London, 1926)
- P. Ladmirault: 'Un grand musicien anglais: Peter Warlock', Chantecler (1927), 3
- A. Rowley: 'The Music of Peter Warlock', The Musical Mirror (1927), 83 and 88
- G. Bottomley: ' "The Curlew" and Peter Warlock', The Gramophone, (1931), 259-60
- C. Gray: Peter Warlock: A Memoir of Philip Heseltine (London, 1934)
- F. Baker: 'The Artist's Private Life: Notes upon Philip Heseltine', The Chesterian, xviii (1936), 46
- W. Mellers: 'Delius and Peter Warlock', Scrutiny, 5 (1937), 384-97
- G. Cockshott: 'A Note on Warlock's Capriol Suite', Monthly Musical Record, 70 (1940), 203-5
- G. Cockshott: 'Some Notes on the Songs of Peter Warlock', ML, 21 (1940), 246-58
- H. Foss: 'Peter Warlock', British Music of our Time, ed. A. L. Bacharach (Harmondsworth, 1946)
- K. Avery: 'The Chronology of Warlock's Songs', ML, 29 (1948), 398-405
- S. M. Coleman: 'The Dual Personality of Philip Heseltine', Journal of Mental Science, 155 (1949), 456-66
- G. Cockshott: 'E. J. Moeran's Recollections of Peter Warlock', MT, 96 (1955), 128-30
- A. Hutchings: 'The Heseltine-Warlock Nonsense', The Listener, 70 (1963), 34
- I. A. Copley: 'Peter Warlock's Vocal Chamber Music', ML, 44 (1963), 358-70
- I. A. Copley: 'Warlock's Cod-Pieces', MT, 194 (1963), 410-11
- I. A. Copley: 'Peter Warlock's Choral Music', ML, 45 (1964), 318-36
- I. A. Copley: The published Instrumental Music of Peter Warlock', MR, 25 (1964), 209-23
- I. A. Copley: 'Warlock in Novels', MT, 105 (1964), 739-40
- I. Parrott: 'Warlock in Wales', MT, 105 (1964), 740-41
- C. Taylor: 'Peter Warlock at Eton', Composer, 4 (1964), 9-10
- I. A. Copley: 'The Writings of Peter Warlock (Philip Heseltine) (1894-1930): A Catalogue', MR, 29 (1968), 288-99
- I. A. Copley: 'Warlock and Delius: A Catalogue', ML, 49 (1968), 213-18
- I. A. Copley: 'Warlock and the Brass Band', MT, 109 (1968), 1115-16
- G. Cockshott: 'Warlock and Moeran', Composer, 33 (1969), 1, 3-4
- V. L. Yenne: Three Twentieth Century English Song Composers: Peter Warlock, E. J. Moeran and John Ireland (diss. U. of Illinois, 1969)
- E. Bradbury: 'Genius Curtailed', Music and Musicians, 23 (1974), 16
- F. Tomlinson: A Peter Warlock Handbook i (London, 1974)
- F. Tomlinson: 'Peter Warlock (1894-1930)', Music and Musicians, 23 (1974), 32-4
- T. Hold: 'Peter Warlock: The Art of the Song-Writer', MR, 36 (1975), 248-299
- F. Tomlinson: Warlock and Delius (London, 1976)
- F. Tomlinson: A Peter Warlock Handbook ii (Rickmansworth, 1977)
- F. Tomlinson: Warlock and van Dieren (London, 1978)
- E. Bradbury: Magic of Warlock', Yorkshire Post (5 Dec 1979) 8
- I. A. Copley: The Music of Peter Warlock: A Critical Survey (London, 1979)
- P. Delany: 'Halliday's Progress: Letters of Philip Heseltine', D. H Lawrence Review, 13 (1980), 119-33
- I. A. Copley: A Turbulent Friendship: A Study of the Relationship between D. H. Lawrence and Philip Heseltine ('Peter Warlock') (London, 1983)
- E. Fenby: (in conversation with D. Cox), 'Warlock as I knew him', Composer, 82 (1984), 19-23
- D. ApIvor: 'Philip Heseltine (Peter Warlock): A Psychological Study', MR, 46 (1985), 118-32
- P. J. Reynolds: 'Peter Warlock: His Contemporaries and their Influence', British Music Society Journal (1985), 48-58
- B. Collins: 'Rantum Tantum: Linear Techniques in Warlock's Lillygay', MR, 47, (1986), 184-193.
- H. Davies: 'Bernard van Dieren, Philip Heseltine and Cecil Gray: A Significant Affiliation', ML, 69 (1988), 30-48
- B. Smith: 'The Colin Taylor Collection', Jagger Journal, 10 (1989/90), 1-5
- B. Smith: 'Peter Warlock: A Study of the Composer through the Letters to Colin Taylor between 1911 and 1929.' (diss. Rhodes University, Grahamstown, 1991)
- N. Heseltine: Capriol for Mother: A Memoir of Philip Heseltine (Peter Warlock) (London, 1992)
- ed. J. Bishop and D. Cox: Peter Warlock: A Centenary Celebration (London, 1994)
- B. Smith: Peter Warlock: The Life of Philip Heseltine (Oxford, 1994)
- B. Collins: Peter Warlock: The Composer (Aldershot, 1996)
- P. Heseltine (ed. B. Smith): The Miscellaneous Writings of Philip Heseltine (Peter Warlock) 4 vols. (London, 1997-98).
- B. Smith: Delius and Warlock: A Friendship revealed (Oxford, 1998)
Copyright © Barry Smith, 1998.