Columbia subject headings:
Bookbinding--History.
Bookbinding--Repairing.
Books--Conservation and restoration.
Festschriften.
Powell, Roger, 1896-1990.
Harvard subject headings:
Biography
Bookbinders--Great Britain.
Bookbinding--Europe--History.
Bookbinding--Great Britain--History.
Bookbinding--History
Bookbinding--Repairing
Bookbinding--Repairing--Great Britain.
Books--Conservation and restoration
Festschriften.
Powell, Roger, 1896-1990
Powell, Roger, 1896-1990.
Princeton subject headings:
Bookbinding--Europe--History.
Bookbinding--Great Britain--History.
Bookbinding--Repairing--Great Britain.
Powell, Roger, 1896-1990.