Sven Schlotter and Kai F. Wehmeier. Gingerbread nuts and pebbles: Frege and the Neo-Kantians: Two recently discovered documents. British Journal for the History of Philosophy, vol. 21 (2013), no. 3, pp. 591-609

Matthias Wille. Sven Schlotter and Kai F. Wehmeier. Gingerbread nuts and pebbles: Frege and the Neo-Kantians: Two recently discovered documents. British Journal for the History of Philosophy, vol. 21 (2013), no. 3, pp. 591-609. Bulletin of Symbolic Logic, 20(1):93-94, 2014. [doi]

Bibliographies