Every lattice is embeddable in the lattice of T 1 -topologies Richard Valent (1973) Colloquium Mathematicae
Exponentiable morphisms: Posets, spaces, locales, and Grothendieck toposes. Niefield, Susan (2001) Theory and Applications of Categories [electronic only]
Extensions dans les treillis Guy Boulaye (1968/1969) Séminaire Dubreil. Algèbre et théorie des nombres