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- Walton, Elijah 3
- Butler, Sir William Francis 2
- Heer, Oswald 2
- Markham, Sir Clements Robert 2
- Sweetser, Moses Foster 2
- Topfer, Rodolphe 2
- Avery, Benjamin Parke 1
- Baedeker, Karl 1
- Bonney, Thomas George 1
- Bryce, James Bryce, viscount 1
- Burnet, Gilbert, bp. of Salisbury 1
- California. Geological Survey 1