1930 Box 3, Folder 44 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Financial Records, 1860-1948Financial Records
1930-1948, and items with no date Box 5, Folder 23 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Printed Materials, 1891-1948Lists of Publications
1930 - Africa Box 8 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947PhotographsPrints 1929/1930 - unid.
1931 Box 54, Folder 401 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Writings, 1899-1947Books (Unpublished)Pace of HistoryResearch notesResearch volumes
1931 Box 3, Folder 45 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Financial Records, 1860-1948Financial Records
1931, 1931 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947General Correspondence, 1893-1948
1931, 1933-1934, 1935 January-May, September-December Box 70, Folder 849-860 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Writings, 1899-1947Broadcasts
1931, 1934 Box 46, Folder 513B Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Subject File, 1882-1946Classified Subject FileTippenhauer Weather Service, 1928
1932 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947General Correspondence, 1893-1948
1932 Box 1, Folder 7 Bookmark Collection Context Yale University -Manuscripts and Archives Ellsworth Huntington papers, 1779-1952, bulk 1890-1947Financial Records, 1860-1948Correspondence