P.  Kott, ?Notes on some ascidians from Port Jackson, Botany Bay and Port Hacking, New South Wales?, Proceedings of the Linnean Society of New South Wales, vol. 97, no. 4, pp. 41-257, 1972.

P.  Kott, ?Some sublittoral ascidians in Moreton Bay, and their seasonal occurrence?, Memoirs of the Queensland Museum, vol. 16, no. 2, pp. 233-260, 1972.

H.  Watanabe and Tokioka, T., ?Two new species and one possibly new race of social Styelids from Sagami Bay, with remarks on their life history, especially the mode of budding?, Publications of the Seto Marine Biological Laboratory, vol. 19, no. 5, pp. 327-345, 1972.

P.  Kott, ?The ascidians of South Australia I: Spencer Gulf, St. Vincent Gulf, and Encounter Bay?, Transactions of the Royal Society of South Australia, vol. 96, no. 1, pp. 1-52, 1972.

P.  Kott, ?The ascidians of South Australia II. Eastern sector of the Great Australian Bight and Investigator Strait?, Transactions of the Royal Society of South Australia, vol. 96, no. 4, pp. 165-196, 1972.