EMU
European Monetary Union

ETU
Electrical Trades Union

EU
European Union

FCU
Federated Clerks' Union

GMWU
General and Municipal Workers Union

IAU
International Astronomical Union

ITU
International Telecommunication Union

IUCN
...of Nature union

IUMRS
...Research Societies union

NASUWT
...Women Teachers union

NEU
National Education Union

NFU
National Farmers' Union

NUJ
National Union of Journalists

NUR
National Union of Railwaymen

NUT
National Union of Teachers

PAU
Pan American Union

RFU
Rugby Football Union

RU
Rugby Union

Soviet
the Soviet Union

TGWU
Transport and General Workers' Union

TU
Trade Union

TUC
Trades Union Congress

UDEAC
...Economic Union union

UEFA
Union of European Football Associations

union
union is strength

UNIPEDE
...Electrical Energy union

UPU
Universal Postal Union

USSR
Union of Soviet Socialist Republics

WCTU
Women's Christian Temperance Union

WEU
Western European Union