| Autor | Títulos | | 1.
| Howard, Kathryn | 1 | | 2.
| Howard, Keble, pseud. | 0 | | 3.
| Ver: Bell, John Keble, 1875-1928 | 1 | | 4.
| Howard, Michael | 3 | | 5.
| Howard, Michael C. | 1 | | 6.
| Howard, Miguel | 1 | | 7.
| Howard, Rhonda Lane, 1970- | 1 | | 8.
| Howard, Richard E. | 6 | | 9.
| Howard, Seymour, 1928- | 2 | | 10.
| Howardries, Albéric Paul Édouard du Chastel de la, Conde, 1842-1919 | 0 | | 11.
| Ver: Du Chastel de La Howardries, Albéric Paul Édouard, Conde, 1842-1919 | 1 | | 12.
| Howarth, A. J. | 1 |
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