| Lang | V. | Langlands, Coomberdale | OL7 and 32C, 36E | 1962 |
| Lang | W. H. | Devon Estates, Capel | 0AL | 1912 |
| Lang | W. H. | Devon Estates, Capel | 0AL | 1924 |
| Lang Bros. | - | 8406, 7473, -5, 7190, 7474, Wickepin | CL7 and 21B, 37E | 1962 |
| Lang, Est of | S. B. | Williams 2079, 2085-6-7, 6537-8, 6639, 7261, 7658, Wickepin | Y4X and 38D, 46E | 1962 |
| Langaweira Co. | - | Langaweira, Katanning | P1Z and 28A, 28B | 1962 |
| Langdon | A. J. (jnr.) | 15318-9, Erikin | T9A and 10B, 35E | 1962 |
| Langdon | T. & A. J. | Avon Location 15318-9, Shackleton | T9A | 1924 |
| Langdon | Wm. Joseph | Victoria Location 2022, Carnamah | QU9 | 1924 |
| Lange | A. E. A. | Brooklyn, East Narrogin | AL8 | 1912 |
| Lange | A. E. A. | Brooklyn, East Narrogin | AL8 | 1924 |
| Lange | A. W. | Hilton Park, Ballidu | LP1 and 38B, 47A | 1962 |
| Lange | Arthur Wm | Fern Hollow Farm, Popanyinning | L6A | 1924 |
| Lange | B. E. | Grenndale, King River, via Albany | X0L and 20A, 20C | 1962 |
| Lange | C. E. | Homestead, East Narrogin | C6L | 1912 |
| Lange | C. E. | Homestead, East Narrogin | C6L | 1924 |
| Lange | C. H. | Langsville, E. Narrogin | FL2 | 1925 |
| Lange | E. O. | Clear View, Pingelly | G6L and 51F, 37B | 1962 |
| Lange | F. | Midland and Wongong Farm, Midland Junction | 4LV | 1924 |
| Lange | G. E. | Hotham Vale, Popanyinning | 8LG and 119D, 9E | 1962 |
| Lange | G. J. | Sylvern, Pingelly | G6L and 51F, 37B | 1962 |
| Lange | G. R. | Melrose, Ockly | FL2 and 8D, 23E | 1962 |
| Lange | Geo. Emmille | Hotham Vale, Popanyinning | 8LG | 1924 |
| Lange | H. E. & G. M. | Wrayton, Wickepin | AL8 and 23D, 11E | 1962 |
| Lange | K. E. | Woodlands, Pingelly | K6L and 51F, 41B | 1962 |
| Lange | L. E. | Hollow Farm, Pingelly | L4E | 1912 |
| Lange | Paul Franz | Osterliever, East Narrogin | 9LF | 1924 |
| Lange | S. L. E. | Milicent Farm, Popanyinning | SL8 | 1912 |
| Lange | S. L. E. | Milicent Farm, Popanyinning | SL8 | 1924 |
| Lange | S. M. & I. | Barclay, Corrigin | 2LS and 117A, 16B | 1962 |
| Lange | V. & N. | Alkoomi, Frankland River, Cranbrook | U2Z and 22B, 3E | 1962 |
| Lange | W. P. | Glenfarm, Kulin | P4L and 26B, 41E | 1962 |
| Lange & Page | - | Mascot Farm, Pingelly | LP1 | 1912 |
| Lange & Page | - | Mascot Farm, Pingelly | LP1 | 1924 |
| Lange & Ranger | A. W. & M. A. | Hilton Park and Killarney, East Ballidu | JR0 and 25E, 67D | 1962 |
| Lange & Sons | F. W. | Langsville, East Narrogin | FL2 | 1912 |
| Lange & Sons | F. W. | Langsville, East Narrogin | FL2 | 1924 |
| Langford | A., J. & M. | Kenwood, Bullaring | 3AU and 15B, 28E | 1962 |
| Langford | J. P. | Rose Valley Farm, Toodyay | J3L and 36D, 47E | 1962 |
| Langford | Mary | Fairholm, Cuballing | ML2 | 1912 |
| Langford | Mary | Fairholm, Cuballing | ML2 | 1924 |
| Langford | W. J. | Quairading | 5JL | 1912 |
| Langford | W. J. | Quairading | 5JL | 1924 |
| Langford | Wm. | Lot 5 of Location 121, Canning Vale | 9UL | 1924 |
| langlands | Daniel | Munster Farm, Donnybrook | DL4 | 1912 |
| Langlands | Daniel | Munster Farm, Donnybrook | DL4 | 1924 |
| Langlands | Thos. | Thomson's Brook, Donnybrook | TL3 | 1912 |
| Langlands | Thos. | Thomson's Brook | TL3 | 1924 |
| Langley | A. F. | Lowland Farm, Darkan | L6Z | 1924 |
| Langley | A. W. | Valhalla, Popanyinning | A8L | 1912 |
