Official guide to the museums of economic botany.

i. Dicotyledons and gymnosperms. 1883:--2s ed., revised and augmented. 1886.:--3d ed., revised and augmented. 1907;--4th ed, rev. and aug. 1930.---ii. Monocotylecons and cryptogams. 1895:--2d ed. 1928.--iii. Timbers. 1886:--2d ed. 1893;--3d ed. rev. & aug. 1927.--iv. British forestry. 1919.Mode of access: Internet