The XXL Survey - XXXIX. Polarised radio sources in the XXL-South field R. A. J. Eyles, M. Birkinshaw, V. Smolčić, C. Horellou, M. Huynh, A. Butler, J. Delhaize, C. Vignali and M. Pierre A&A, 633 (2020) A6 Published online: 19 December 2019 DOI: 10.1051/0004-6361/201936042