Use the online library catalogue to find exact classmarks for items, and the classmark location guide to locate the relevant zone.
Archives are a particularly important example.
If you can't find what you want, ask for help at the Arts and Humanities Subject Area Information Desk in zone 3C of the Main Library. The OLRC has particular strengths in Islamic and Mission Studies, as well as in general Theology materials. Use the online library catalogue to find exact classmarks f or items. The OLRC also contains important primary and research resources for Theology and Religious Studies - most notably the Mingana collection of Oriental Christian and Islamic manuscripts.