https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1982.-pa258-soap-and-toilet-preparations/447301
Report on the Census of Production for 1982. PA258 Soap and toilet preparations - LSE Digital...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1991.-pa258-soap-and-toilet-preparations/458529
Report on the Census of Production for 1991. PA258 Soap and toilet preparations - LSE Digital...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1985.-pa258-soap-and-toilet-preparations/451673
Report on the Census of Production for 1985. PA258 Soap and toilet preparations - LSE Digital...