Solin, Kim. “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, vol. 10, Dec. 2021, pp. 157-62, doi:10.15845/nwr.v0i0.3613.