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Subjects
- Dalton, John Call, 1825-1889.1
- Dana, Anderson G. (Anderson Green), 1791-1861.1
- Darwin, Charles, 1809-1882.2
- Deane, James, 1801-1858.1
- Delaware1
- Dentists1
- Dietary Sucrose1
- Digestion1
- District Medical Society for the County of Hunterdon.1
- District of Columbia2
- Donders, F. C. (Franciscus Cornelis), 1818-1889.1
- Dorsey, Frederick, 1774-1858.1
- Dover, Thomas, 1660-1742.1
- Drake, Daniel, 1785-1852.2
- Dudley, Benjamin W. (Benjamin Winslow), 1785-1870.1
- Durand, Elias, 1794-1873.1
- Dutton, Amy.1