Solin, K. (2021) “Book Review: Juliet Floyd and Felix Mühlhölzer, ‘Wittgenstein’s Annotations to Hardy’s Course of Pure Mathematics: An Investigation of Wittgenstein’s Non-Extensionalist Understanding of the Real Numbers’”, Nordic Wittgenstein Review, 10, pp. 157–162. doi: 10.15845/nwr.v0i0.3613.