A. C.  Stephen and Edmonds, S. J., The phyla Sipuncula and Echiura. London: Trustees British Mus. (Nat. Hist.), 1972, p. 528 pp.

M. E.  Rice and Stephen, A. C., ?The type specimens of Sipuncula and Echiura described by J.E. Gray and W. Baird in the collections of the British Museum of Natural History?, Bulletin of the British Museum of Natural History, vol. 20, pp. 49-72, 1970.

A. C.  Stephen and Cutler, E. B., ?On a collection of Sipuncula, Echiura, and Priapulida from South African waters?, Transactions of the Royal Society of South Africa, vol. 38, pp. 111-121, 1969.

A. C.  Stephen, ?Sipuncula and Echiura from Nouvelle-Caledonie?, Cahiers du Pacifique, vol. 10, pp. 44-50, 1968.

A. C.  Stephen, ?Notes on a collection of sipunculids from Peru?, Acta Zoologica Lilloana (Tucuman), vol. 21, pp. 91-94, 1967.

A. C.  Stephen, ?A collection of Sipuncula taken on the summit of the Vema Sea-mount, South Atlantic Ocean?, Annals and Magazine of Natural History, vol. 9, pp. 145-148, 1966.

A. C.  Stephen, ?Echiura and Sipuncula from the Isreal South Red Sea Expedition?, Sea Fisheries Research Station Haifa Bulletin, vol. 40, pp. 79-83, 1965.

A. C.  Stephen, ?A revision of the classification of the phylum Sipuncula?, Annals and Magazine of Natural History, vol. 7, pp. 457-462, 1964.

A. C.  Stephen, ?British echiurids (Echiuroidea), Sipunculids (Sipunculoidea), and Priapulids (Priapuloidea)?, Synopses of the British Fauna No. 12 The Linnean Society of London, vol. 12, pp. 1-27, 1960.

A. C.  Stephen, ?Echiuroidea and Sipunculoidea from Senegal, West Africa?, Bulletin de l?Institut Francais d?Afrique Noire, vol. 22a, pp. 512-520, 1960.

A. C.  Stephen, ?The sipunculids of Haifa Bay and neighborhood?, Bulletin of the Research Council of Israel, vol. 7b, pp. 129-136, 1958.

A. C.  Stephen, ?Amalosoma eddystonense sp. n., a new species of Bonelliidae?, Journal of the Marine Biological Association of the United Kingdom, vol. 35, pp. 605-608, 1956.

A. C.  Stephen, ?Gephyrea. The "Manihine" expedition to the Gulf of Aqaba?, Bulletin of the British Museum (Natural History), vol. 1, pp. 181-182, 1952.

A. C.  Stephen, ?Sipunculids?, B.A.N.Z.A.R.E. Reports, Series B, vol. 5, pp. 213-220, 1948.

A. C.  Stephen, ?The South African intertidal zone and its relation to ocean currents. Notes on the intertidal sipunculids of Cape Province and Natal?, Annals of the Natal Museum, vol. 10, pp. 245-256, 1942.

A. C.  Stephen, ?The Echiuridae, Sipunculidae, and Priapulidae collected by the ships of the Discovery Committee during the years 1926-1937?, Discovery Reports, vol. 21, pp. 235-260, 1941.

A. C.  Stephen, ?Sipunculids and Echiurids of the John Murray Expedition to the Red Sea and Indian Ocean 1933-34?, Scientific Reports of the John Murray Expedition, vol. 7, pp. 401-409, 1941.

A. C.  Stephen, ?On a sipunculid from the Congo coast?, Revue de Zoologie et de Botanique Africaines, vol. 33, p. 124, 1940.

A. C.  Stephen, ?The Echiuridae, Sipunculidae, and Priapulidae of Scottish and adjacent waters?, Proceedings of the Royal Society of Edinburgh, vol. 22, pp. 159-186, 1934.

A. C.  Stephen, ?A new sipunculid worm (Phascolosoma cluthensis) from the Firth of Clyde?, The Scottish Naturalist, vol. 1931, pp. 56-61, 1931.