•2 letters, dated 1801 & 1803, from Thomas Horsfield in Batavia to Dr. Roxburgh, Calcutta, previously filed under “Roxburgh, Dr. Wm.” At this time, Batavia was the capital of the Dutch East Indies, and corresponds with Jakarta, Indonesia today.
Second letter relates to Thomas Horsfield exploring the vegetation of Java, learning of indiginous knowledge of medicinal plants and his thoughts of publishing a 'Plantae Javanicae Rariores', which he eventually did.
Two photocopied letters between Claridge Druce and Bayley Balfour regarding Druce’s account of Don and the suggestion that it be published in the Notes of the Royal Botanic Garden Edinburgh. February-March 1903.