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In this section, a brief review is presented of the redshift surveys that have shaped our current understanding of the three-dimensional distribution of galaxies. Over the years the picture has evolved dramatically as data flowed in. The number of galaxies with redshift measurements has grown by roughly a factor 100 from the mere ltapprox 2000 available in 1978. This number is expected to grow even faster now as new data from surveys such as 2dF and SDSS and other large surveys at high-redshift become available.