Even if it is not 14th century:
scotsman.com (29.9.2012): Plague link to skeletons discovery as Edinburgh dig resumes
OpenEdition suggests that you cite this post as follows:
Rainer Schreg (October 12, 2012). Mass grave in Edinburgh (?). The Black Death Network. Retrieved December 10, 2024 from https://doi.org/10.58079/m234