Smyth, RL

2

Bebbington, G

1

Benson, John

1

Burchill, Frank

1

Gregory, DL

1

Kennedy, J

1

Machin, DJ

1

Sweeney, Jim

1

Pottery industry

2

Coal industry

1

Economic conditions

1

History

1

Industrial relations

1

Labour supply

1

Living conditions

1

Miners

1

Social conditions

1

Technological change

1

Trade unions

1

Wages

1

1971

2

1969

1

1970

1

1987

1