The RBGE Library is Scotland’s national collection of botanical and horticultural reference resources with more than 70,000 published works, a significant collection of original drawings, paintings and prints, maps and slides and other photographic collections. An electronic catalogue of the collection is available at https://rbge.koha-ptfs.co.uk/. The Library and Reading Room is open to the public for reference purposes from 10am to 4pm, Monday to Friday.
The RBGE Archives house a collection of correspondence and other manuscript materials, original artwork and glass plate negatives. The collection includes many materials relating to the work of early plant collectors that were working in countries such as India, China and Nepal in the 18th and 19th centuries. The Archives are open to researchers by appointment and an electronic catalogue is available at http://atom.rbge.info/.
A number of databases and other searchable resources are freely available at http://www.rbge.org.uk/databases.