Columbia subject headings:
Collotype.
Hugo, Harold.
Meriden Gravure Company--History.
Offset printing.
Printers--United States--Biography.
Printing industry--Connecticut--Meriden--History--20th century.
Printing--Connecticut--Meriden--History--20th century.
Harvard subject headings:
Collotype.
Hugo, Harold.
Meriden Gravure Company--History.
Offset printing.
Printers--United States--Biography
Printing industry--Connecticut--Meriden--History--20th century.
Printing--Connecticut--Meriden--History--20th century.
Princeton subject headings:
Collotype.
Hugo, Harold.
Meriden Gravure Company--History.
Offset printing.
Printers--United States--Biography.
Printing industry--Connecticut--Meriden--History--20th century.
Printing--Connecticut--Meriden--History--20th century.