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Author/Creator
- SpringerLink (Online service)2,146
- United States. Congress. House250
- Gray, Asa, 1810-1888236
- Yale University, degree granting institution143
- Linné, Carl von, 1707-1778128
- Culpeper, Nicholas, 1616-1654101
- Linné, Carl von, 1707-177897
- Yale University82
- Wood, Alphonso, 1810-188177
- United States. Geological Survey71
- United States. Department of Agriculture69
- United States. Congress. Senate63
- Smithsonian Institution. Board of Regents59
- United States58
- Coulter, John Merle, 1851-192857
- ebrary, Inc57
- Phelps, Lincoln, Mrs., 1793-188453
- Ray, John, 1627-170552
- Herz, W.49
- Kirby, G. W.49