Wallis, Michael, Nicholson, B. E. (Barbara Evelyn), 1906-1978, Anderson, E. B. (Edward Bertram), b. 1885, 1963

Harrison, S. G. (Sydney Gerald), 1924-, Wallis, Michael, Nicholson, B. E. (Barbara Evelyn), 1906-1978, Masefield, G. B. (Geoffrey Bussell), 1985

National Museum of Wales, Hyde, Harold Augustus, Harrison, S. G. (Sydney Gerald), 1924-, Harrison, Sydney Gerald, 1977

Wallis, Michael, 2017

Wallis, Michael, 2018

National Museum of Wales, Hyde, Harold Augustus, Wade, Arthur Edward, Wade, A. E. (Arthur Edward), Harrison, S. G. (Sydney Gerald), 1924-, Wade, A E, Harrison, Sydney Gerald, 1978

Hyde, H. A., Wade, A. E. (Arthur Edward), Harrison, S. G. (Sydney Gerald), 1924-, 1969

National Museum of Wales, Hyde, H A, Harrison, S G, 1977

Harrison, S. G. (Sydney Gerald), 1924-, Wallis, Michael, Nicholson, B. E. (Barbara Evelyn), 1906-1978, Masefield, G. B. (Geoffrey Bussell), 1969

Harrison, S. G. (Sydney Gerald), 1924-, Wallis, Michael, Nicholson, B. E. (Barbara Evelyn), 1906-1978, Masefield, G. B. (Geoffrey Bussell), 1985

Wallis, Michael, 2018

Masefield, G B, 1972

Wallis, Michael, 2017