trends in easily accessible form. Since the publication of the Harris material, the Soviet Union has held two additional censuses, in 1970 and in 1979. The results of the 1970 count were published in substantial detail, including population for all urban
places over 15,000| for the results of the 1979 census, publication was sharply curtailed, with data only for places with city status and populations of 50,000 or more. More significantly, the publication of the population of urban places under 50,000 had
following the scheme of, the statistical urban population tables originated by Chauncy Harris in the May 1970 issue of Soviet Geography.