Books
Miscellanea Mathematica 22, edited by Jan Berg (responsible for the edition: Edgar Morscher)
Papers
How to Distinguish Simple Objectless Ideas, by Jan Claas
Bolzano on Bolzano: A Hitherto Unknown Announcement of Bolzano’s Beyträge, by Elías Fuentes Guillén
Frege’s Silence About Bolzano, by Jan Šebestík