American Philosophical Society, 1948-1961, undated Box 6, Folder 47 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
American Society of Agronomy, 1949-1950 Box 6, Folder 48 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Amphibians Box 30, Folder 288 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Amphibians Box 31, Folder 289-294 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Amphibians, rats Box 32, Folder 295 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Annual reports Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Army Medical School, Vaccine Department; George Washington University, 1915-1919 Box 22, Folder 167 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Articles and speeches Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Barron, Donald H., 1932-1941, undated Box 5, Folder 33-34 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…
Bermuda Biological Station for Research, Inc., 1950-1952 Box 6, Folder 49 Bookmark Collection Context Yale University -Manuscripts and Archives John Spangler Nicholas papers, 1914-1963…