# The Botany Libraries The Botany Libraries is the administrative unit that manages the five herbaria libraries: Library of the Gray Herbarium, Library of the Arnold Arboretum, Farlow Reference Library of Cryptogamic Botany, Ames Orchid Library, and Economic Botany Library of Oakes Ames. Faculty, graduate students and staff in OEB can borrow materials from many of these libraries, subject to authorization. Visitors registered with the HUH or Arnold Arboretum who have offices in the Herbaria and have been authorized by the Librarian. Orientation to the library and available resources is scheduled for new graduate students each fall; available on demand at all other times. Teaching sessions for research tools are available on demand. 22 Divinity Avenue, Cambridge, MA 02138; 617-495-2366 (Arnold/Main, Gray, Economic), 617-495-2369 (Farlow), 617-495-8654 (FAX); [www.huh.harvard.edu/libraries/index.htm](http://www.huh.harvard.edu/libraries/index.htm) See also:- [ Libraries ](/faq-topic/libraries)