Just my thought. I try not to focus too much on translating directly, but getting the intended ideas across (like worrying about how "in which" works). Granted, I don't consider my Japanese to be too great, so take this with a grain of salt. Generally it's my J>E translations which try to capture things more accurately.
芥川の作品には文化と社会の批判が多いと思う。There are many criticisms of culture and society in Akutagawa's work.
芥川の作品の中で、文化と社会を批判するところが多いと思う。Amongst Akutagawa's works, there are many instances where he criticizes culture and society.
I would like to know how a native speaker would express this.