1Thomas Jefferson to John Threlkeld, 8 March 1809 (Jefferson Papers)
mulberry; English [index entry]
2John Threlkeld to Thomas Jefferson, [8 March 1809] (Jefferson Papers)
mulberry; English [index entry]
3Landscape Account for the Executive Mansion, 31 March 1809 (Madison Papers)
Mulberry—English, common Chineese