Smith, H. B., & Haile, H. The sheep and wool industry of Australia and New Zealand - A practical handbook for sheep - farmers and wool - classers with chapters on wool - buying and selling sheep - skins and kindred products (Third edition.). London: Whitcombe and Tombs Limited.

Smith, Henry B., and Harold Haile. The Sheep and Wool Industry of Australia and New Zealand - A Practical Handbook for Sheep - Farmers and Wool - Classers With Chapters On Wool - Buying and Selling Sheep - Skins and Kindred Products. Third edition. London: Whitcombe and Tombs Limited.

Smith, Henry B., and Harold Haile. The Sheep and Wool Industry of Australia and New Zealand - A Practical Handbook for Sheep - Farmers and Wool - Classers With Chapters On Wool - Buying and Selling Sheep - Skins and Kindred Products. Third edition. London: Whitcombe and Tombs Limited.