Masalia ni mabaki ya mwili au ya vitu vya mtu anayeheshimika hasa kwa msingi wa dini. Masalia ni muhimu hasa katika baadhi ya madhehebu ya dini, kama vile ya Uhindu, Ubuddha na Ukristo. Katika dini hiyo ya mwisho, heshima kwa masalia ilianza na maiti ya wafiadini, na umuhimu wake ulifikia kilele chake katika Karne za Kati. Relics, by Joan Carroll Cruz, OCDS, Our Sunday Visitor, Inc, 1984. ISBN 0-87973-701-8 Reliques et sainteté dans l'espace médiéval Brown, Peter; Cult of the Saints: Its Rise and Function in Latin Christianity; University of Chicago Press; 1982 Vauchez, Andre; Sainthood in the Later Middle Ages; Cambridge University Press; 1997 Mayr, Markus; Geld, Macht und Reliquien; Studienverlag, Innsbruck, 2000 Mayr, Markus (Hg); Von goldenen Gebeinen; Studienverlag, Innsbruck, 2001 The Relic by Eça de Queiroz, Dedalus Ltd, UK 1994. ISBN 0-946626-94-4 The Translation of Father Torturo by Brendan Connell, Prime Books, 2005.