Wulf, Andrea. Brother gardeners : botany, empire and the birth of an obsession / Andrea Wulf. - London : Windmill Books 2009 - 356 p., ill. (some col.), maps ; 21 cm. Includes bibliographical references (p. 267-335) and index.TB924/11Rs.699/- ISBN: 9780099502371 Nat. Bib. No.: GBA806196 bnb Nat. Bib. Agency Control No.: 014493125 Uk Subjects--Topical Terms: Horticulturists--History--Great Britain--18th century.Plant collectorsGardening Dewey Class. No.: 635.092241 WUL