Letter thanking Warren Washington for his expertise, sent by Senator Barack Obama for Washington's participation on the Climate change Panel during the Congressional Black Caucus Annual Legislative Conference (September 26 - 29, 2007).
Correspondence, Barack Obama to Warren Washington
2007-10-15
Barack Obama
archival document
Warren Washington Papers
https://aspace.archives.ucar.edu/repositories/2/resources/4
This is in the public domain.
http://n2t.net/ark:/85065/d79c6vr6