1. Chart of Architect Fees Collection: Images from the Rare Book and Manuscript Collections Format: Image
2. Account for Potatoes, John Doe 1908 Collection: Images from the Rare Book and Manuscript Collections Date: 1908 Format: Image
3. Chart of powdery mildew spore development. Collection: Images from the Rare Book and Manuscript Collections Date: 1961 Format: Image
4. Forest Production Sample chart. Collection: Images from the Rare Book and Manuscript Collections Date: ca. 1960s Format: Image Creator: Whittaker, Robert Harding, 1920-
