Click on index.htm to get started. Supplement to the handbook in (DSS). HD6659 .E335 2000. Provides data & documentation on the developoment of trade unions in major West European countries and at the European Level. 3 main aspects are covered: organizational history, membership and density. Tabular data are provided in MS-EXCEL. In addition, much more comprehensive databases are available in MS-ACCESS. For updates, see Trade Union Member and Union Density in OECD Countries.