R. H.  Millar and Goodbody, I., ?New species of ascidian from the West Indies?, Studies on the Fauna of Curacao and other Caribbean Islands, vol. 45, pp. 143-161, 1974.

R. H.  Millar, ?Cnemidocarpa lemchei, a new species of deep sea ascidian (Ascidiacea)?, Steenstrupia, vol. 5, no. 2, pp. 21-24, 1978.

R. H.  Millar, ?Ascidians from the Rockall Trough area of the northeast Atlantic?, Journal of Natural History, vol. 16, no. 2, pp. 165-182, 1982.

R. H.  Millar, ?Tunicata Ascidiacea?, Marine Invertebrates. Scandinavia, vol. 1, pp. 1-123, 1966.

R. H.  Millar, ?Australian ascidians in the British Museum (Natural History)?, Proceedings of the Zoological Society of London, vol. 141, no. 4, pp. 689-746, 1963.

R. H.  Millar, ?South African ascidians collected by Th. Mortensen with some additional material?. 1964.

R. H.  Millar, ?Further notes on ascidians from Sierra Leone?, Annals and Magazine of Natural History, series 12, vol. 10, pp. 369-377, 1957.

R. H.  Millar, ?Ascidians from Mozambique, East Africa?, Annals and Magazine of Natural History, series 12, vol. 9, pp. 913-932, 1956.

R. H.  Millar, ?Ascidiacea?, Report on the Swedish Deep Sea Expedition 2, vol. 18, pp. 223-236, 1955.

R. H.  Millar, ?On a collection of ascidians from South Africa.?, Proceedings of the Zoological Society of London, vol. 125, pp. 169-221, 1955.

R. H.  Millar, ?Protostyela heterobranchia n. gen. n. sp. a styelid ascidian from the Scottish west coast?, Journal of the Marine Biological Association of the United Kingdom, vol. 33, pp. 677-679, 1954.

R. H.  Millar, ?Pseudodistoma Africanum sp. n. a new compound ascidian from South Africa?, Annals and Magazine of Natural History, vol. 12, pp. 128-132, 1954.

R. H.  Millar, ?On a collection of ascidians from the Gold Coast.?, Proceedings of the Zoological Society, London, vol. 123, pp. 277-325, 1953.

R. H.  Millar, ?Ascidians, including specimens from the deep sea, collected by the R.V. ?Vema? and now in the American Museum of Natural History?, Biological Journal of the Linnean Society, vol. 49, 1970.

R. H.  Millar, ?A collection of ascidian fauna from the Vema Seamount?, Transactions of the Royal Society of South Africa, vol. 38, pp. 1-21, 1968.

R. H.  Millar, ?Ascidians from the Tristan da Cunha group of islands.?, Results of the Norwegian Scientific Expedition to Tristan da Cunha, 1937-38, vol. 53, pp. 1-15, 1967.

R. H.  Millar, ?A new Ascidian of the genus Pseudodistoma from Madagascar?, Journal of Natural History, vol. 1, pp. 359-361, 1967.

R. H.  Millar, ?Further description of South African ascidians?, Annals of the South Africa Museum, vol. 46, pp. 113-221, 1962.

R. H.  Millar, ?Euherdmanis vitrea, a new species of ascidian from Brazil?, Annals and Magazine of Natural History, vol. 4, pp. 143-147, 1961.

R. H.  Millar, ?Ascidiacea?, Discovery Report, vol. 30, pp. 1-160, 1960.

R. H.  Millar, ?Ascidiacea?, Galathea Reports, vol. 1, pp. 189-209, 1959.

R. H.  Millar, ?Some ascidians from Brazil.?, Annals and Magazine of Natural History, vol. 13, pp. 497-514, 1958.

R. H.  Millar, ?The marine fauna of New Zealand: Ascidiacea?, New Zealand Oceanographic Institute Memoir 85, pp. 1-117, 1982.

R. H.  Millar, ?Ascidians from the Guyana shelf Netherlands.?, Journal of Sea Research, vol. 12, pp. 99-106, 1978.

R. H.  Millar, ?Ascidians (Tunicata: Ascidiacea) from the northern and northern-eastern Brazilian shelf.?, Journal of Natural History, vol. 11, pp. 169-223, 1977.

C.  Monniot, Monniot, F., and Millar, R. H., ?An account of sex species of abyssal Styelidae (Ascidiacea), three of which are new species?, Deep-Sea Research, vol. 23, pp. 1187-1197, 1976.

R. H.  Millar, ?Ascidians from the Indo-West-Pacific Region in the Zoological Museum, Copenhagen (Tunicata, Ascidiacea)?, Steenstrupia, vol. 2, pp. 205-336, 1975.

R. H.  Millar, ?Ascidians collected during the International Indian Ocean Expedition?, Journal of Natural History, vol. 22, pp. 823-848, 1988.

R. H.  Millar, ?Ascidians collected during the South-east Pacific Biological Oceanographic Program (SEPBOP)?, Journal of Natural History, vol. 22, pp. 225-240, 1988.