Columbia subject headings:
Harper & Brothers--History--19th century.
Printing--New York (State)--New York--History--19th century.
Publishers and publishing--New York (State)--New York--History--19th century.
Harvard subject headings:
Franklin, Benjamin, 1706-1790--Childhood and youth--Juvenile literature.
Harper & Brothers
Printing
Princeton subject headings:
Harper & Row, Publishers.
Printing.