https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1973.-pa383-aerospace-equipment-manufacturing-and-repairing/433158
Report on the Census of Production for 1973. PA383 Aerospace equipment; manufacturing and repairing...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1977.-pa383-aerospace-equipment-manufacturing-and-repairing/439298
Report on the Census of Production for 1977. PA383 Aerospace equipment; manufacturing and repairing...
https://digital.library.lse.ac.uk/Documents/Detail/report-on-the-census-of-production-for-1974-and-75.-pa383-aerospace-equipment-manufacturing-and-repairing/435292
Report on the Census of Production for 1974 and 75. PA383 Aerospace equipment; manufacturing and...