Books

Miscellanea Mathematica 22, edited by Jan Berg (responsible for the edition: Edgar Morscher)
Bernard Bolzano. Seine Zeit und sein Leben, sein Werk und seine Wirkung, by Wolfgang Künne

 Papers and chapters

“The continuity of functions of several variables as an extension of the continuity of functions of one variable: Cauchy and Bolzano”, by Anabel Jáuregui Hernández and Carmen Martínez Adame Isais
“Bolzano and the Foundation of the Real Continuum”, by Carmen Martínez Adame Isais and Mariana Martínez González
“Semantic outlook and deductive structure in Bolzano’s Rein analytischer Beweis”, by Hourya Benis-Sinaceur
“Bolzano’s Investigations into Geometry and Dimension”, as part of the book Theories of Dimension from Ancient to Modern Times, by Dale Martin Johnson