| Author | Popularity |
| Sinclair, Upton, 1878-1968 |
8 |
| Brown, J. H. U. (Jack Harold Upton), 1918- |
2 |
| Radcliffe, John G., 1946- |
2 |
| Upton, John, 1707-1760 |
2 |
| A. MacDonald |
1 |
| Adrian Healy |
1 |
| Alejandro Ruiz |
1 |
| Alex Frano |
1 |
| Amita Bhakta |
1 |
| Anna Mylam |
1 |
| Anthony Allen |
1 |
| Ash Routen |
1 |
| Ayman H Said |
1 |
| Bacon, Francis, (Viscount St. Albans), 1561-1626 |
1 |
| British Society for the History of Science |
1 |
| Caroline Upton |
1 |
| David Mutinda |
1 |
| Derek M. Peters |
1 |
| Diego Casa |
1 |
| Dominic Upton |
1 |
| Gilbert Lopez |
1 |
| Gillian Bristow |
1 |
| Gobell, A. |
1 |
| Howard, B. B. |
1 |
| I. Goni |
1 |
| Ioannis Rousochatzakis |
1 |
| Isaac Zinda |
1 |
| Jacobs, J. E. |
1 |
| Jake D Koralek |
1 |
| James G Analytis |
1 |
| Jen Dickinson |
1 |
| Jungho Kim |
1 |
| K. Upton |
1 |
| K. Whitmarsh |
1 |
| Kate Moore |
1 |
| Kerstin Danert |
1 |
| M. Tijani |
1 |
| Martin G. Edwards |
1 |
| Mary H Upton |
1 |
| Mengqun Li |
1 |
| Natalia B Perkins |
1 |
| Neville K. Upton |
1 |
| Nicholas P Breznay |
1 |
| Rees, Graham |
1 |
| Robert J Birgeneau |
1 |
| S. Allan |
1 |
| S. Capstick |
1 |
| Stark, L. |
1 |
| Thomas Gog |
1 |
| University College, Cardiff. Faculty of Education |
1 |