Portion of envelope from publisher, West, Newman and Co, London to W.P. Hiern, Esq, The Castle, Barnstaple, postmarked 27 March 1906, Folder: 1, item: 4. Index abecedarius: an alphabetical index to the first edition of the 'Species Plantarum' of Linnaeus, MS P649. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/229318 Accessed May 17, 2024.