The world of learning 1990 / World learn. Learned institutions and societies Directories. AS2 .W6 370.58 19 WOR Published 1947-19 in London by G. Allen & Unwin; published 1947-2005 in London by Europa Publications. First ed. lacks numeric and chronological designations. Not published in 1949, 1951, 1953. Issued in two vols. for 2005. Latest issue consulted: 55th ed. (2005). SERBIB/SERLOC merged record London : Allen & Unwin, 1990. 1990. 1947 Text Collection v. ; eng Europa world of learning World of learning Latest ed., updated throughout the year, available also to subscribers online via the World Wide Web. World of learning Latest ed., updated throughout the year, available also to subscribers online via the World Wide Web.