Patrick Karl O'Brien has written:
'The new economic history of the railways' -- subject(s): History, Railroads, Economic history
'The economic effects of the American Civil War' -- subject(s): Economic aspects, History, United States Civil War, 1861-1865
'Philip's Atlas of World History (Historical Atlas)'
Karl Ghattas has written: 'Karl Ghattas'
Karl Fettweis has written: 'Karl Fettweis'
Karl Schumacher has written: '\\'
Karl Ortel has written: '\\'
Karl Brix has written: 'Karl Schmidt-Rottluff'
Karl Wild has written: 'Karl Theodor Welcker'
Karl Knauer has written: 'Lubeck'
Karl Helfferrich has written: 'Money'
Karl Tobisch has written: 'Stalingrad'
Karl Punzenberger has written: 'A Muada'
Karl Elder has written: 'Phobophobia'
Karl Bruggmann has written: 'Ausklang'