Columbia subject headings:
America--Discovery and exploration--Spanish.
Explorers--Southern States--History--16th century.
Southern States--Discovery and exploration.
Harvard subject headings:
America--Discovery and exploration--Spanish.
Explorers--Southern States--History--16th century.
Southern States--Discovery and exploration.
Princeton subject headings:
America--Discovery and exploration--Spanish.
Explorers--Southern States--History--16th century.
Southern States--Discovery and exploration.