As sole author Lockwood published:
- Crocodiles and Other People (Cassell, London, 1959),
- Fair Dinkum (Cassell, London, 1960),
- I, the Aboriginal (Rigby, Adelaide, 1962)...which won the Adelaide Advertiser's Arts Festival Award for literature in 1962 and was later made into a television film
- We, the Aborigines (Cassell, Melbourne, 1963),
- The Lizard Eaters(Cassell, Melbourne, 1964),
- Up the Track (Rigby, Adelaide, 1964),
- Australia's Pearl Harbour (Cassell, Melbourne, 1966),
- The Front Door (Rigby, Adelaide, 1968),
- Northern Territory Sketchbook (Rigby, Adelaide, 1968), which featured drawings by Ainslie Roberts, and
- My Old Mates and I (Rigby, Adelaide, 1979).
He co-wrote
Life on the Daly River (Robert Hale, London, 1961) with Nancy Polishuk;
The Shady Tree (Rigby, Adelaide, 1963) with Bill Harney; and
Alice on the Line (Rigby, Adelaide, 1965) with Doris Blackwell.
He started compiling selections from Bill Harney's books, but died before they were in book form. His widow, Ruth, completed the work, which was published as
A Bushman's Life (Viking O'Neil, Melbourne, 1990).Lockwood's son, Kim Lockwood, and daughter, Dee Mason, are both published authors.