11Thomas Jefferson to Horatio G. Spafford, 14 May 1809 (Jefferson Papers)
I have duly recieved your favor of Apr. 3. with the copy of your General Geography, for which I pray you to accept my thanks. my occupations here have not permitted me to read it through, which alone could justify any judgment expressed on the work. indeed as it appears to be an abridgment of several branches of science, the scale of abridgment must enter into that abridgment judgment....