The code of nomenclature and check-list of North American birds adopted by the American Ornithologists’ Union; Q Science
The nature-printed British sea-weeds : a history, accompanied by figures and dissections of the Algae of the British Isles Q Science
Notes of a naturalist in the Nile valley and Malta, a narrative of exploration and research in connection with the natural history, geology, and archæology of the lower Nile and Maltese Islands Q Science
