Authors: 1920
- Friedlaender, Israel 1876-1920 3746 downloads
- Houghton, Louise Seymour 1838-1920 3694 downloads
- Broughton, Rhoda 1840-1920 3622 downloads
- Wilkinson, William Cleaver 1833-1920 3592 downloads
- Farrell, Henry 1920-2006 3502 downloads
- Ludwig, Edward W. 1920-1990 3231 downloads
- Lyman, William Denison 1852-1920 3209 downloads
- Cooke, Marjorie Benton 1876-1920 3186 downloads
- Peary, Robert E. (Robert Edwin) 1856-1920 2844 downloads
- Lockyer, Norman, Sir 1836-1920 2681 downloads
- Lee, Elizabeth 1857-1920 2310 downloads
- Adam, Paul 1862-1920 2263 downloads
- Kondylakes, Ioannes 1861-1920 2252 downloads
- Muckley, Angelo Fairfax 1859-1920 2219 downloads
- Adeney, Walter F. (Walter Frederic) 1849-1920 2191 downloads
- Ganghofer, Ludwig 1855-1920 2157 downloads
- Tenn, William 1920-2010 1988 downloads
- Kauppis-Heikki 1862-1920 1982 downloads
- Leckie, Robert 1920-2001 1925 downloads
- Bennett, W. H. (William Henry) 1855-1920 1918 downloads
- Bartholomew, J. G. (John George) 1860-1920 1897 downloads
- Strömberg, Sigge 1885-1920 1856 downloads
- Anderson, J. D. (James Drummond) 1852-1920 1824 downloads
- Harrison, Burton, Mrs. 1843-1920 1819 downloads
- Wundt, Wilhelm Max 1832-1920 1815 downloads
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