Literature survey of research on the historical development of trade unionism in the UK from 1800 to 1875 - includes works in such related fields as radicalism, chartism, etc., relates the struggle for legal status, emphasizes sectional trade union interests and the influence of the business cycle, and refutes the occurrence of radical change in union organization in the 1840s (called 'new model'). Bibliography pp. 68 to 76.