Professor James W. H. Trail: material relating to expedition to the Amazon. Volume of notes on journey to the Amazon, including diary from August 1874 to January 1875, notes on local flora.
Professor James W. H. Trail: material relating to expedition to the Amazon.'Notes by a naturalist in the valley of the Amazon'; manuscript of paper read at various meetings, with partial typescript material.
'Amazon collection (J. W. H. Trail) List of numbers at Aberdeen - now forwarded to Kew (Feb. 1976)'. 3 copies, typescript.