Authors: H.
- Gronow, R. H. (Rees Howell) 1794-1865 514 downloads
- Mariéjol, Jean-H. (Jean-Hippolyte) 1855-1934 514 downloads
- Knott, George H. -1924 514 downloads
- Richardson, W. H. - 513 downloads
- Hickey, H. B. 1916-1987 513 downloads
- Lungren, Fernand 1857-1932 512 downloads
- Guillemard, F. H. H. (Francis Henry Hill) 1852-1933 512 downloads
- Orpen, Adela E. (Adela Elizabeth Richards) 1855-1927 511 downloads
- Murray, A. H. Hallam (Alexander Henry Hallam) 1854-1934 511 downloads
- Greening, Harry Cornell 1876- 510 downloads
- Ross, Charles H. (Charles Henry) -1897 510 downloads
- Devol, George H. 1829-1903 510 downloads
- Payne-Gaposchkin, Cecilia 1900-1979 509 downloads
- Reid, Thomas H. - 508 downloads
- Cole, Harry Ellsworth 1861-1928 508 downloads
- Reynolds, Sidney H. (Sidney Hugh) 1867- 506 downloads
- Greg, Percy 1836-1889 506 downloads
- Krutzsch, Philip H. (Philip Henry) 1919- 504 downloads
- Galbraith, V. H. (Vivian Hunter) 1889-1976 504 downloads
- Warner, Henry James - 502 downloads
- Pettit, H. M. - 502 downloads
- Vernon, Harry M. 1878-1942 501 downloads
- Baxter, Leon H. (Leon Harold) 1886-1972 501 downloads
- Tellegen, B. D. H. (Bernard Dominicus Hubertus) 1823-1885 500 downloads
- Ross, Herbert H. (Herbert Holdsworth) 1908-1978 499 downloads
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