The Import and Export of Trees, Wood and Bark (Health) (Great Britain) Order 1980
1980年树木、木材及树皮进出口（健康）（英国）令

The Import and Export of Trees, Wood and Bark (Health) (Great Britain) (Amendment) Order 1986
1986年树木、木材及树皮进出口（健康）（英国）（修订）令

The Import and Export of Trees, Wood and Bark (Health) (Great Britain) (Amendment) Order 1984
1984年树木、木材及树皮进出口（健康）（英国）（修订）令