TY - JOUR PB - Published by authority of the Council of the Stock Exchange TI - Classification of equity securities by Institute of Actuaries groups KW - Securities - Directories. KW - Corporations - Directories. A2 - Stock Exchange (London, England) L3 - 1000 largest listed United Kingdom companies L3 - Stock Exchange companies CY - [London, England N1 - Description based on: 31st Dec. 1981. N1 - Merged with: 1000 largest listed United Kingdom companies, to form: Stock Exchange companies. M1 - Accessed from http://nla.gov.au/nla.cat-vn128423 ER -