| Barker | W. | Shoemaker | Busselton, Sussex & Nelson | 1875 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton Sussex & Nelson | 1875 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1876 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton | 1876 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1877 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Sussex & Nelson | 1877 | WA Almanack |
| Barker | W. | Shoemaker | Busselton, Sussex, Nelson | 1878 | Herald Almanack |
| Barker | W. | Shoemaker | Vasse | 1879 | WA Almanack |
| Barker | W. | Shoemaker | Busselton & Suburbs | 1880 | Herald Almanack |
| Barker | W. | ShoeMaker | Busselton & Suburbs | 1881 | Herald Almanack |
| Barker | W. | Shoemaker | Vasse District | 1882 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Blackwood &c. | 1882 | WA Almanack |
| Barker | W. | - | Busselton & Suburbs | 1883 | Herald Almanack |
| Barker | W. | - | Busselton & Suburbs | 1884 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Blackwood &c. | 1884 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1885 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Etc. | 1887 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1888 | WA Almanack |
| Barker | W. | Shoemaker | Busselton, Etc. | 1889 | WA Almanack |
| Barker | W. H. | Compositor | Esperance Bay | 1897 | Witton's Directory |
| Barker | Wilson | Shoemaker | Busselton, Blackwood, &c. | 1880 | WA Almanack |
| Barker | Wilson. | Shoemaker | Busselton, Blackwood &c. | 1881 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1865 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1866 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1867 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1870 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1873 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1874 | Herald Almanack |
| Barker & Gull | - | Merchants | Guildford | 1874 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1875 | Herald Almanack |
| Barker & Gull | - | Merchants | Guildford | 1875 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford & Helena | 1876 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1877 | Herald Almanack |
| Barker & Gull | - | Merchants | Guildford & Swan | 1877 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1879 | Herald Almanack |
| Barker & Gull | - | Merchants | Guildford | 1879 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1880 | Herald Almanack |
| Barker & Gull | - | Merchants | Guildford | 1880 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1881 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1882 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1883 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1884 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1885 | Herald Almanack |
| Barker & Gull | - | Merchants | Guildford | 1887 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1888 | WA Almanack |
| Barker & Gull | - | Merchants | Guildford | 1889 | WA Almanack |
| Barker and Gull | - | Merchants | Guildford & Suburbs | 1863 | WA Almanack |
| Barker and Gull | - | Merchants | Guildford | 1864 | WA Almanack |
| Barker and Gull | - | Merchants | Guildford | 1869 | WA Almanack |
| Barker and Gull | - | Merchants | Guildford | 1872 | WA Almanack |
