Sieg, Wilfried (ed.) et al., Reflections on the foundations of mathematics. Essays in honor of Solomon Feferman. Natick, MA: A K Peters. Lect. Notes Log. 15, 1-36 (2002).
Buss, Samuel R. (ed.) et al., Logic colloquium ’98. Proceedings of the annual European summer meeting of the Association for Symbolic Logic, Prague, Czech Republic, August 9-15, 1998. Natick, MA: A K Peters, Ltd. Lect. Notes Log. 13, 449-464 (2000).
Buss, Samuel R. (ed.) et al., Logic colloquium ’98. Proceedings of the annual European summer meeting of the Association for Symbolic Logic, Prague, Czech Republic, August 9-15, 1998. Natick, MA: A K Peters, Ltd. Lect. Notes Log. 13, 426-448 (2000).
Buss, Samuel R. (ed.) et al., Logic colloquium ’98. Proceedings of the annual European summer meeting of the Association for Symbolic Logic, Prague, Czech Republic, August 9-15, 1998. Natick, MA: A K Peters, Ltd. Lect. Notes Log. 13, 105-108 (2000).
Sambin, Giovanni (ed.) et al., Twenty-five years of constructive type theory. Proceedings of a congress, Venice, Italy, Ocober 19–21, 1995. Oxford: Clarendon Press. Oxf. Logic Guides. 36, 245-263 (1998).