Columbia subject headings:
Authors, English--20th century--Biography.
Mitchison, Naomi, 1897-1999.
Harvard subject headings:
Authors, Scottish--20th century--Biography
Mitchison, Naomi, 1897-1999--Journeys.
Voyages and travels
Princeton subject headings:
Authors, Scottish--20th century--Biography.
Mitchison, Naomi, 1897-1999--Travel.
Voyages and travels.