Before revision: Welsh studies is an interdisciplinary field of research devoted to the study of Welsh language, Welsh-language literature, Welsh literature in English , Politics of Wales, Culture of Walesand History of Wales and of Welsh people in Wales and elsewhere.
After revision: Welsh studies is an interdisciplinary field of research devoted to the study of Wales, History of Wales, Geography of Wales , Politics of Wales, Economy of Wales, Culture of Wales, Welsh language, Welsh-language literature, Welsh literature in English, and of Welsh people in Wales and elsewhere.