 Browne's main interests lie in the syntax of Serbo-Croatian and other South Slavic languages (with particular attention to relative clauses, clitic placement rules, and complement clauses) and in the contributions data from these languages can make to theoretical work in general linguistics.He has also published works on the topic of the Balkan language area, Slavic historical grammar, comparative and contrastive grammar, and pedagogical grammar.He served as the co-editor of "Annual Workshop on Formal Approaches to Slavic Linguistics