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Journal Article USE OF A POSTCARD QUERY IN MAIL SURVEYS Get access MORTON L. BROWN MORTON L. BROWN *Morton L. Brown is a member of the Vital Records Surveys Branch of the Division of Health Records Statistics, National Center for Health StatisticsWashington, D.C. Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 29, Issue 4, WINTER 1965, Pages 635–637, https://doi.org/10.1086/267366 Published: 01 January 1965
Morton L. Brown (Fri,) studied this question.