00804cam a22002291  45000010008000000030008000080050017000160080041000330100017000740350019000910400031001100420012001410500016001530820015001691000017001842450097002012600039002983000034003374900165003715000020005366500018005568715113BD-DhUL20200106115550.0800114s1917    enka     b    001 0 eng d  a   18002506   a(OCoLC)5869285  aDLCcOCldBD-DhULdBD-DhUL  apremarc00aHE6125b.S6  a383.4bSMD1 aSmith, A. D.14aThe development of rates of postage :ban historical and analytical study /cby A. D. Smith.  aLondon :bG. Allen & Unwin,c1917.  axii, 431 p. :bill. ;c23 cm.0 aStudies in economics and political science ... no. 50 in the series of monographs by writers connected with the London school of economics and political science  aincludes index. 0aPostal rates.