Embedding of semilattices into distributive lattices Jiří Fábera, Teo Sturm (1979) Czechoslovak Mathematical Journal
Errata to the paper “On paracompact locales and metric locales” Shu Hao Sun (1989) Commentationes Mathematicae Universitatis Carolinae
Exponentiability in categories of lax algebras. (Dedicated to Nico Pumplün on the occasion of his seventieth birthday). Clementino, Maria Manuel, Hofmann, Dirk, Tholen, Walter (2003) Theory and Applications of Categories [electronic only]
Extremal subobjects of complete posets Ana Pasztor (1986) Commentationes Mathematicae Universitatis Carolinae