Columbia subject headings:
Harvard subject headings:
Consuls--United States--Biography.
India--Description and travel.
Mattson, Hans, 1832-1893.
Minnesota--Biography.
Swedes--Minnesota--Biography.
Princeton subject headings:
Consuls--United States--Biography.
India--Description and travel.
Mattson, Hans, 1832-1893.
Minnesota--Biography.
Swedes--Minnesota--Biography.