C. Aarts: Galois connections, presented calculationally. Thesis Eindhoven UT 1992, 61p. 17635 Kevin Backhouse/Roland Backhouse: Logical relations and Galois connections. Internet 2002, 17p. 17817 Roland Backhouse/Roy Crole/Jeremy Gibbons (ed.): Algebraic and coalgebraic methods in the mathematics of program construction. Springer 2002, 380p. Eur 56. G. Birkhoff: Lattice theory. AMS 1967. 17637 G. Castellini/Jürgen Koslowski/G. Strecker: Categorical closure operators via Galois connections. Internet 1992, 8p. 15376 B. Davey/H. Priestley: Introduction to lattices and order. Cambridge UP 2002, 300p. Eur 35. K. Denecke/Marcel Erne'/S. Wismath (ed.): Galois connections and applications. Kluwer 2004, 500p. Eur 187. 16126 Jean-Paul Doignon/Jean-Claude Falmagne: Knowledge spaces. Springer 1999, 330p. Eur 70. Knowledge spaces are exact neighbourhood spaces or, equivalently, exact closure spaces (topological spaces in the general sense of Sierpinski or Nöbeling, i.e., one does not require that the intersection of open sets is again open). Why not say it? Contains a chapter on Galois connections. 16134 Marcel Erne': Einführung in die Ordnungstheorie. Bibl. Inst. 1982, 300p. 17634 Marcel Erne'/J. Koslowski/A. Melton/G. Strecker: A primer on Galois connections. Ann. NY Ac. Sci. 704 (1993), 103-125. C. Everett: Closure operators and Galois theory in lattices. Trans. AMS 55 (1944), 514-255. 17778 A. Melton/D. Schmidt/G. Strecker: Galois connections and computer science applications. In Pitt/Abramsky/Poigne'/Rydeheard 1986, 299-312. O. Ore: Galois connections. Trans. AMS 55 (1944), 493-513. 29046 Jan Outrata/Vilem Vychodil: Fast algorithm for computing fixpoints of Galois connections induced by object-attribute relational data. Inf. Sci. 185 (2012), 114-127. G. Pickert: Bemerkungen über Galoisverbindungen. Arch. Math. 3 (1952), 285-289. David Pitt/Samson Abramsky/Axel Poigne'/David Rydeheard (ed.): Category theory and computer programming. Springer LN Comp. Sci. 240 (1986). 19827 Zahava Shmuely: The structure of Galois connections. Pacific J. Math. 54 (1974), 209-225.