Summary

Oliver Wendell Holmes, Jr. Zimmermann v. Sutherland — Opinion of the Court

Here as there the debt was due and payable in the foreign country. The only primary obligation was that created by the law of Austria-Hungary and if by reason of an attachment of property or otherwise the courts of the United States also gave a remedy the only thing that they could do with justice was to enforce the obligation as it stood, not to substitute something else that seemed to them about fair.
Source: Wikisource

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