98. Christopher North (John Wilson):
"Audubon's Ornithological Biography Introduction," Blackwood's Edinburgh Magazine, vol. xxx, pp. 1-16 (July). Edinburgh, 1831.
The second of Wilson's articles in praise of Audubon; reprinted with his later reviews of the same work in Critical and Miscellaneous Essays, vol. v, pp. 91-149.
99. Christopher North (John Wilson):
"Audubon's Ornithological Biography. Second Survey. Wilson's American Ornithology," Blackwood's Edinburgh Magazine, vol. xxx, pp. 247-280. Edinburgh, 1831.
"Ornithological Biography ... By John James Audubon. &c. &c. Edinburgh, 1831," Edinburgh Literary Journal or Weekly Register of Criticism and Belles Lettres, April 16, 1831, pp. 248-249.
101. (Anon.) Featherstonhaugh, G. W.:
"Ornithological Biography." By John James Audubon, F. R. S. Published by Judah Dobson and H. H. Porter, Literary Rooms, Philadelphia," Monthly American Journal of Geology and Natural Science, vol. i, September, pp. 136-139. Philadelphia, 1831.