Fisher, Ronald Aylmer2021-01-292021-01-292021http://hdl.handle.net/2440/129669Natural SelectionEugenicsTrade UnionsSeries 12.4: 'Memorandum on the policy of the Eugenics Society with respect to the professions and trade unions.' Includes an associated address headed 'Filed under national Union of Scientific Workers' - written while at RothamsteadMSS 0013