Potter, Keith. “Review of 1971/05/28 Concert at Barber Institute of Fine Arts (University of Birmingham) Lunchtime Concert of Works of the Late 19th and 20th Centuries Given by Members of the Osiris Music Group”. Contact: A Journal for Contemporary Music (1971-1990), no. 2 (June 1, 1971). Accessed April 26, 2024. https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal02_p34.