Columbia subject headings:
Morris, Henry, 1925-2019--Correspondence.
Papermakers--Netherlands--Correspondence.
Papermaking.
Voorn, Henk, 1921-2008--Correspondence.
Harvard subject headings:
Morris, Henry, 1925-2019
Papermakers--Netherlands--Correspondence.
Papermakers--Netherlands.
Papermaking
Voorn, Henk, 1921---Correspondence.
Princeton subject headings:
Morris, Henry, 1925-2019.
Papermakers--Netherlands--Correspondence.
Papermaking.
Personal correspondence.
Voorn, Henk, 1921-2008--Correspondence.