Arnold Arboretum Horticultural Library: Account Ledgers
Accounting ledger books used by Ernest Henry Wilson on his plant collecting expeditions to China.

Arnold Arboretum Horticultural Library: Botanical Exploration Papers
The Arnold Arboretum of Harvard University has been engaged in collecting temperate woody plants since its founding in 1872. Its Library and Archives hold a rich collection of materials related to this collecting, including the archives of Ernest Henry Wilson, our greatest collector. We offer...
Arnold Arboretum Horticultural Library: Field Collection Books
Notebooks used by Wilson to record collections of seeds and herbarium specimens.
Arnold Arboretum Horticultural Library: Field Collection Books: Veitch
A notebook of plants collected by Ernest Wilson in China used by the Veitch Nursery Company to record propagation results.