Columbia subject headings:
Thoreau, Henry David, 1817-1862--Books and reading.
Thoreau, Henry David, 1817-1862--Knowledge and learning.
Thoreau, Henry David, 1817-1862--Library--Catalogs.
Harvard subject headings:
Private libraries--Massachusetts--Catalogs.
Thoreau, Henry David, 1817-1862--Books and reading.
Thoreau, Henry David, 1817-1862--Knowledge and learning.
Thoreau, Henry David, 1817-1862--Library--Catalogs.
Princeton subject headings:
Thoreau, Henry David, 1817-1862--Books and reading.
Thoreau, Henry David, 1817-1862--Knowledge and learning.
Thoreau, Henry David, 1817-1862--Library--Catalogs.