1
by Robison, John
Published 1798
printed for T. Cadell jun and W. Davies, Strand; and W. Creech, Edinburgh

2
by Robison, John
Published 1798
printed for T. Cadell, jun. and W. Davies, Strand; and W. Creech, Edinburgh

3
by Robison, John
Published 1797
printed for William Creech; - and T. Cadell, junior, and W. Davies, London