'Problems of Trade Unionism', 1881
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: 'Problems of Trade Unionism', 1881. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: 'Problems of Trade Unionism', 1881. Wellcome Collection. Source: Wellcome Collection.