1Joel Yancey to Thomas Jefferson, 26 September 1819 (Jefferson Papers)
Clay, Mr. (of Campbell Co.); mills of [index entry]
2Alexander Hepburn’s List of Materials for Work at Poplar Forest [ca. 8 October 1819] (Jefferson Papers)
Clay, Mr. (of Campbell Co.); mills of [index entry]
3Joel Yancey to Thomas Jefferson, 8 October 1819 (Jefferson Papers)
Clay, Mr. (of Campbell Co.); mills of [index entry]
4Joel Yancey to Thomas Jefferson, 27 May 1820 (Jefferson Papers)
Clay, Mr. (of Campbell Co.); mills of [index entry]