New nat'l Austr. encycl., 1974 (Murdoch, Sir Keith Arthur, 1886-1952)
Zwar, D. In search of Keith Murdoch, 1980 t.p. (Keith Murdoch) Aus CIP data, verso t.p. (Murdoch, Sir Keith Arthur, 1885-1952) p. 1, etc. (b. 8/12/1885, as on birth certificate, not a year later)