| Douglas | J. T. | Myripin, Woodanilling | 2TD | 1924 |
| Douglas | Joseph | The Lakes, Woodanilling | Y6D | 1924 |
| Douglas | L. | Hovea, Upper Kalgan, via Albany | H8R and 22C, 33A | 1962 |
| Douglas | L. | Arabella, Melb. 2746, Damboring | LD8 and 84A, 15B | 1962 |
| Douglas | L. G. | Dowlering, Woodanilling | 9GD | 1924 |
| Douglas | L. R. | The Lakes, Woodanilling | Y6D and 2C, 31E | 1962 |
| Douglas | M. H. J. | Sunshine, Woodanilling | 3JJ | 1912 |
| Douglas | M. H. J. | Sunshine, Woodanalling | 3JJ | 1924 |
| Douglas | Percy | Grove Farm, Buntine | 2PY | 1924 |
| Douglas | Robert | Morialta, Northampton | 4RD | 1912 |
| Douglas | Robt. | Morialta, Northampton | 4RD | 1924 |
| Douglas | Stanley H. | Linwood, Wagin, East | SD4 | 1912 |
| Douglas | Stanley H. | Linwood, Wagin East | SD4 | 1924 |
| Douglas | Thomas Henry | Albert Street, Northam | TD6 | 1928 |
| Douglas | W. G. | Yilgarn Loc. 97 Boddalin | 8VD | 1924 |
| Douglas | W. J. | Jandakot Lot 160, Jandakot | W8D | 1962 |
| Douglas | W. P. | Myola, Kalgan River, Albany | WD7 and 35B, 22E | 1962 |
| Douglas | W. S. | Badgecup, Katanning | S7D | 1912 |
| Douglas | W. S. | Badgecup, Katanning | S7D | 1924 |
| Douglas | Wm. | Commonage, Kelmscott, Williams | X1D | 1924 |
| Douglas | Wm. G. | Yilgarn Loc. 97 Boddalin | 2QF | 1924 |
| Douglas & Phillips | - | Takalarup, Mt. Barker | 3WP | 1912 |
| Douglas & Phillips | - | Takalarup, Mt. Barker | 3WP | 1924 |
| Douglas Bros. | - | Dilwarra, Kalgan River | 6DB | 1912 |
| Douglas Bros. | - | Dilwarra, Kalgan River | 6DB | 1924 |
| Douglas Bros. | - | 202 & 631 Murray Loc. Dwellingup | DB9 and 26D, 109E | 1962 |
| Doust | A. E. | Riverside, Manjimup | 4DG | 1927 |
| Doust | A. H. & C. G | Hill River Farm, Dandarragan | 2ZD | 1924 |
| Doust | A. W. | Swan Loc. 1317, 121, 134, 170, 173, Gidgegannup | UD0 and 28B, 102E | 1962 |
| Doust | Alfred | Woodlands, Bridgetown | 0AD | 1912 |
| Doust | Alfred | Hill River, Dandarragan | 1DA | 1912 |
| Doust | Alfred | Woodlands, Bridgetown | 0AD | 1924 |
| Doust | Alfred | Hill River, Dandarragan | 1DA | 1924 |
| Doust | Alfred H. | Hill River Farm, Dandarragan | 4DU | 1924 |
| Doust | Asenath A. | Hill View and Deeside, Upper Blackwood | AE4 | 1912 |
| Doust | Asenath A. | Hill View and Deeside, Upper Blackwood | AE4 | 1924 |
| Doust | C. E. G. | Dingup, Manjimup | 1UP and 19B, 16A | 1962 |
| Doust | C. H. | Springhill, Bridgetown | H6L and 24A, 31B | 1962 |
| Doust | C. R. | Geegeelup, Bridgetown | DL0 | 1912 |
| Doust | C. R. | Geegeelup, Bridgetown | DL0 | 1924 |
| Doust | Clara L. | Riverside, Manjimup | D1U | 1924 |
| Doust | Clarence | Riverside, Balbarrup | 4DC | 1912 |
| Doust | Clarence | Riverside, Balbarrup | 4DC | 1924 |
| Doust | D. A. | Hi-Hopes, Pingrup | DL0 and 19B, 19A | 1962 |
| Doust | E. C. | Illareen, Bridgetown | DE2 and 109B, 6A | 1962 |
| Doust | F. M. | Brackenhurst, Bridgetown | AE4 and 32D, 16E | 1962 |
| Doust | F. W. | Riverside, Balbarrup | F1D | 1912 |
| Doust | F. W. | Riverside, Balbarrup | F1D | 1924 |
| Doust | Geo. | Esperance | 2GD | 1912 |
| Doust | Geo. | Esperance | 2GD | 1924 |
