2
by Sinclair, John
Published 1785
Printed by W. and A. Strahan for T. Cadell

3
by Sinclair, John
Published 1790
Printed by A. Strahan, for T. Cadell

4
by Sinclair, John
Published 1969
Springer Netherlands
... into millions of pounds in the case of large­ scale operations with high productivity. There has been...