Q. How do I find which journals are in the top impact quartile for a certain subject area?

Search the library catalogue for Journal Citation Reports. Follow the link. Under Select Categories, select the category or categories you wish to search in. Select the JCR year you wish to search against. The Select Q1 from the JIF Quartile section and choose submit. (You can apply other limits to your search such as publishers or the country.) Click Submit. N.B. if search across several categories be aware that it will be difficult to assess rankings for journals from different categories.