1
by Ferguson, James
Published 1771
printed for W. Strahan, J. and F. Rivington, W. Johnston, T. Longman; and T. Cadell, in the Strand
Subjects: '; ...Science / Early works to 1800...

2
by Ferguson, James
Published 1767
printed for A. Millar and T. Cadell, in The Strand
Subjects: '; ...Science / Early works to 1800...