Nansen passport
From Wikipedia, the free encyclopedia.

Nansen passports are internationally recognized identity cards first issued by the League of Nations to stateless refugees. Invented in 1922 by Fridtjof Nansen, it was eventually honored by governments in 52 countries.

The original article can be found at: http://en.wikipedia.org/wiki/Nansen_passport.
All text is available under the terms of the GNU Free Documentation License.