P. Higgs, „Social and Cultural Gerontology and the Importance of the Ageing Body“, in Old Age before Modernity: Case Studies and Methodological Perspectives, 500 BC ‒ 1700 AD, C. A. Neumann, Hrsg. Heidelberg: Heidelberg University Publishing, 2023, S. 263–277. doi: 10.17885/heiup.1086.c14945.