Ernst M. Cohn

Ernst M. Cohn's books

The Other Homing Pigeons of 1870

0.00 avg rating — 0 ratings

Unusual Mail in Occupied France 1870-1871: Little-known activities of smugglers, censors, a propagandist and others

0.00 avg rating — 0 ratings

Ordinary Mail by Diplomatic Means During the Siege of Paris

0.00 avg rating — 0 ratings

Energy economics, 101: energy efficiency depends upon how much is lost during production, transport and usage.(Contrarian's View on Energy ...): An article from: Energy

0.00 avg rating — 0 ratings