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86097909
86097909
http://www.worldcat.org/oclc/86097909
Report on the effects of rationalisation on the P.T.T. staffs between 1926 and October 1929. Presented to the 6th Congress of the P.T.T.I. Copenhagen, 12th-15th August 1930.
sameAs
86097909
http://www.worldcat.org/oclc/86097909