11. United States: Department of Agriculture Creator: From the Collection: Carson, Rachel, 1907-1964 Published / Created: 1958-62 Call Number: YCAL MSS 46 Container / Volume: Box 44, folder 833 Image Count: 45 Found in: Beinecke Rare Book and Manuscript Library > Rachel Carson papers (YCAL MSS 46) > Series I: Writings > ... > SILENT SPRING > Research material > Research correspondence > United States: Department of Agriculture