Complex sentence: Top scholarly presses require funds for publication costs in their contracts (Peter Lang, for instance, amongst other major European houses) SFWA themselves shrouded in controversy for racism, sexism and fascism.
Split into simpler sentences: Top scholarly presses require funds for publication costs in their contracts (Peter Lang, for instance, amongst other major European houses). SFWA are, themselves, shrouded in controversy for racism, sexism and fascism.