The Zollverein and British industry /
MacDonald, James Ramsay,1866-1937.
Independent Labour Party (Great Britain)
[London] : G. Richards and Independent Labour Party,
1903.
"This book is issued ... under the auspices of the Council of the Independent Labour Party, and is an official pronouncement upon the Zollverein and free trade from a socialist and labour standpoint."
Free trade.
Tariff
Customs unions.
Also available as an electronic resource via the Internet.