Columbia subject headings:
Muir, John, 1838-1914.
Natural history--Sierra Nevada (Calif. and Nev.)
Naturalists--United States--Biography.
Sierra Nevada (Calif. and Nev.)
Harvard subject headings:
Muir, John, 1838-1914
Natural history--Sierra Nevada (Calif. and Nev.)
Naturalists--United States--Biography
Sierra Nevada (Calif. and Nev.)
Princeton subject headings: