1991

The Art of medieval technology : images of Noah the shipbuilder

Unger, Richard W., author.

New Brunswick, New Jersey : Rutgers University Press, [1991]

 

2007

Beer in the Middle Ages and the Renaissance

Unger, Richard W., author



 

2008

Britain and Poland-Lithuania : contact and comparison from the Middle Ages to 1795

 

2008

Cartography in antiquity and the Middle Ages : fresh perspectives, new methods

 

1978

Dutch shipbuilding before 1800 : ships and guilds

Unger, Richard W.

Assen : Van Gorcum, 1978

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2001

A history of brewing in Holland, 900-1900 : economy, technology, and the state

Unger, Richard W



 

1980

The ship in the medieval economy, 600-1600

Unger, Richard W., author.



 

2011

Shipping and economic growth, 1350-1850

 

1998

Ships and Shipping in the North Sea and Atlantic, 1400-1800

Unger, Richard W



 

2003

War at sea in the Middle Ages and the Renaissance