1961 publication_date QS:P577,+1961-07-27T00:00:00Z/11 Authority file ISBN: 9780108502002 Source http://www.legislation.gov.uk/id/ukpga/Eliz2/9-10/57...
1961 publication_date QS:P577,+1961-07-19T00:00:00Z/11 Authority file ISBN: 9780105175896 Source http://www.legislation.gov.uk/id/ukpga/Eliz2/9-10/41...
publication_date QS:P577,+1961-07-27T00:00:00Z/11 Authority file ISBN: 9780105460947 Source http://www.legislation.gov.uk/id/ukpga/Eliz2/9-10/55 Queen's Printer...
Publication date 22 November 1961 publication_date QS:P577,+1961-11-22T00:00:00Z/11 Source http://www.legislation.gov.uk/id/ukpga/Eliz2/10-11/1 Queen's Printer...