| Campbell | H. Maclean | Mokup Spring, Moodiarrup | ZA0 | 1924 |
| Campbell | Henry | Avon Loc. 18143, Bungulluping | KC6 | 1924 |
| Campbell | I. W. & P. E. | 26119 Avon, Narembeen | 3WC and 16B, 104E | 1962 |
| Campbell | J. | Ninghan Loc. 1944, Kalannie | CJ4 and 84A, 14B | 1962 |
| Campbell | J. A. | Comallie, Trayning | C1L | 1912 |
| Campbell | J. A. | Comallie, Trayning | C1L | 1924 |
| Campbell | J. A. M. & M. H. | Creswick & Elvin, Murray Loc. 1, Pinjarra | 7OP and 34B, 19A | 1962 |
| Campbell | J. G. | Pastoral Lease, Near Meekatharra | C9N | 1912 |
| Campbell | J. G. | P/Lease, near Meekatharra | C9N | 1924 |
| Campbell | J. S. & M. M. | Emohruo, Jingalup | XC3 and 27D, 41E | 1962 |
| Campbell | Jack | Carnarvon Commonage, Carnarvon | JG0 | 1928 |
| Campbell | James | Ninghan Loc. 1671, Dalwallinu | V2Q | 1924 |
| Campbell | John | Mylore, Balingup | A5J | 1912 |
| Campbell | John | White Hill, Mingenew | P2C | 1912 |
| Campbell | John | Mylore, Balingup | A5J | 1924 |
| Campbell | John | White Hill, Mingenew | P2C | 1924 |
| Campbell | John | Wainui, Borden Salt River Mail | J1G | 1928 |
| Campbell | John Alex | Comallie, Trayning | UC8 | 1924 |
| Campbell | K. | Lot 272, Locs. Pln. 2789, Bassendean | GS2 and 16C, 71A | 1962 |
| Campbell | Lachlan T. | Hillcrest, South Caroling, Dangin | LG1 | 1928 |
| Campbell | M. E. & P. M. | Block 20, Yandanooka Estate, Yandanooka | MC3 and 23B, 34E | 1962 |
| Campbell | M. H. | Elven & Creswick, Pinjarra | 7MC and 14C, 102A | 1962 |
| Campbell | M. R. | Enanty, Mingenew | C1Z and 20A, 45B | 1962 |
| Campbell | M. W. | Karinya, Koolanooka | E3Y and 84D, 15E | 1962 |
| Campbell | Marion E. | Protheroe | E7Q | 1924 |
| Campbell | N. V. (Mrs) | Bellevue, Ongerup | JC7 and 34D, 110E | 1962 |
| Campbell | Norman | Bull's Gully, Bridgetown | N4D | 1924 |
| Campbell | Peter | Livery Stables, Day Dawn | P5C | 1912 |
| Campbell | Peter | Livery Stables, Day Dawn | P5C | 1924 |
| Campbell | R. jun. | Carnarvon | V7C | 1912 |
| Campbell | R. jun. | Carnarvon | V7C | 1924 |
| Campbell | R. S. | Mulroy Farm, Yandanooka | D5Q and 22C, 34A | 1962 |
| Campbell | R. W. & P. R. | Pt. 1398, 2719, 7970, Yornup | 1UB and 16C, 14E | 1962 |
| Campbell | Ronald | Nangeenan | R0C | 1912 |
| Campbell | Ronald | Nangeenan | R0C | 1924 |
| Campbell | S. | Kilcoan Farm, Kondinin | 9CQ | 1924 |
| Campbell | Sarah Jane | Jeropin, S. Caroling | Z7X | 1924 |
| Campbell | Sydney L. J. | Melb. Locs. 9812/56, 5557/68, Wyening, via Toodyay | Y3C | 1924 |
| Campbell | T. Mc. | Rockville, Ockley, via Narrogin | JD7 and 41D, 117E | 1962 |
| Campbell | W. J. | Yamma Farm, Koonanooka | VU3 | 1924 |
| Campbell | W. J. (jnr.) | Enanty, Mingenew | 7WC and 25A, 46C | 1962 |
| Campbell | William D. | Byro Stn. Murchison, Mullewa | KZ3 | 1925 |
| Campbell & Co. | A. | Hillside, Marble Bar | AC4 | 1912 |
| Campbell & Co. | A. | Hillside, Marble Bar | AC4 | 1924 |
| Campbell & Co. | A. | Billabong Station, Mullewa | 0DF and 12C, 104A | 1962 |
| Campbell & Co. | D. B. | Eurokabar, Brunswick Junction | U2C and 42B, 71E | 1962 |
| Campbell & Davies | - | Redwood, Mt. Magnet | NT8 | 1924 |
| Campbell & Davis | - | Mt. Seabrook via Meekatharra | 0O4 | 1928 |
| Campbell & Richardson | - | Lot 14, Nangeenan | CZ0 | 1912 |
| Campbell & Robartson | - | Lot 14, Nangeenan | CZ0 | 1924 |
