Philosophical Investigations (disambiguation)
Philosophical Investigations is a book by Wittgenstein. Philosophical Investigations may also refer to: Philosophy Philosophical Investigations (journal), an academic journal published by Wiley-Blackwell A book series covering diverse subjects in Applied Philosophy published by Routledge Linguistic and Philosophical Investigations, an academic journal published by Addleton Academic "Philosophical Investigations into the Essence of Human Freedom", a book by Friedrich Schelling Literature A Philosophical Investigation, a novel by Philip Kerr Film A performance act by Linda Phillimore reading her poem "Philosophical Investigation #76"