Columbia subject headings:
Chemical engineering--History--Sources.
Chemical industry--History--Sources.
Chemical literature--Sources.
Chemistry--History--Sources.
Harvard subject headings:
Chemical literature--Sources.
Chemical literature--United States--Archival resources.
Chemistry, Technical--United States--History--Archival resources.
Chemistry--History--Sources.
Chemistry--United States--History--Archival resources.
Princeton subject headings:
Chemistry, Technical--History--Archival resources--United States.
Chemistry--History--Archival resources--United States.