| Author | Titles | | 1.
| Douglas, Jane | 1 | | 2.
| Douglas, Janet G. | 1 | | 3.
| Douglas, Katharine | 1 | | 4.
| Douglas, Kris | 1 | | 5.
| Douglas, Langton, 1864-1951 | 0 | | 6.
| Author is: Douglas, Robert Langton, 1864-1951 | 3 | | 7.
| Douglas, LLoyd Cassel | 2 | | 8.
| Douglas, Nik | 1 | | 9.
| Douglas, Peter, Activ.1957 | 1 | | 10.
| Douglas, R. Langton, 1864-1951 | 0 | | 11.
| Author is: Douglas, Robert Langton, 1864-1951 | 3 | | 12.
| Douglas, Robert Langton, 1864-1951 | 3 |
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