1To Thomas Jefferson from George Hadfield, Leonard Harbaugh, and George Blagden, 27 October 1802 (Jefferson Papers)
The under signed have examined the construction of the Eliptical Room south of the Capitol...
2Report from George Blagden, 27 September 1803 (Jefferson Papers)
The mode stone cutters practice for the valuation of columns, in stone similar to that got at...