Public libraries as public sphere institutions: A comparative study of perceptions of the public library’s role in six European countries Audunson, Ragnar Andreas, Aabø, Svanhild, Blomgren, Roger, Hobohm, Hans Christoph, Jochumsen, Henrik, Khosrowjerdi, Mahmood, Mumenthaler, Rudolf, Schuldt, Karsten, Rasmussen, Casper Hvenegaard, Rydbeck, Kerstin, Toth, Mate, Vårheim, Andreas (2019)