36-39, estimates 83 per cent.] [Footnote 670: Great Britain ordinarily ran more than twice as many spindles as all the other European nations combined.

Schmidt, _Wheat and Cotton_, p.

407, _note_.] [Footnote 671: This Return for April is noteworthy as the first differentiating commerce with the North and the South.] [Footnote 672: These facts are drawn from Board of Trade Reports, and from the files of the _Economist_, London, and _Hunt's Merchants Magazine_, New York.

I am also indebted to a manuscript thesis by T.P.
Martin, "The Effects of the Civil War Blockade on the Cotton Trade of the United Kingdom," Stanford University.

Mr.Martin in 1921 presented at Harvard University a thesis for the Ph.D degree, entitled "The Influence of Trade (in Cotton and Wheat) on Anglo-American Relations, 1829-1846," but has not yet carried his more matured study to the Civil War period.] [Footnote 673: Adams, _Trans-Atlantic Historical Solidarity_, p.