| Verfasser | Häufigkeit |
| Crowther, David 1952- |
57 |
| Crowther, Nigel B. ca. 20./21. Jh |
52 |
| Crowther, Paul 1953- |
52 |
| Crowther, Kitty 1970- |
46 |
| Seifi, Shahla |
43 |
| Crowther, David |
35 |
| Crowther, Charles ca. 20./21. Jh |
33 |
| Crowther, J. G. 1899-1983 |
30 |
| Crowther, Samuel Ajayi 1809-1891 |
25 |
| Crowther, Geoffrey |
24 |
| Crowther, Robert |
24 |
| Crowther, Bosley 1905-1981 |
23 |
| Crowther, Paul |
22 |
| Crowther, Bruce |
16 |
| Crowther-Alwyn, John |
16 |
| Crowther, Geoff |
11 |
| Crowther, James Gerald |
11 |
| Crowther, Jonathan |
10 |
| Crowther, Margaret A. |
10 |
| Crowther, Samuel 1880-1947 |
10 |