Sketch of Transformation of Tissue Macrophages (No. 261), undated Box Folder Bookmark Collection Context Duncan C. Hetherington Papers, 1918-1975Records, 1918-1975
Sketches from Invertebrate Morphology (Biology I0), undated Box Folder Bookmark Collection Context Duncan C. Hetherington Papers, 1918-1975Records, 1918-1975