Columbia subject headings:
Fireworks--Accidents--New Hampshire.
Fourth of July celebrations--Accidents--New Hampshire.
Halifax Explosion, Halifax, N.S., 1917--Poetry.
Harvard subject headings:
Death--Poetry
Portsmouth (N.H.)--Explosion.
Princeton subject headings:
Fireworks--New Hampshire--Accidents and injuries.
Fourth of July celebrations--New Hampshire--Accidents.
Portsmouth (N.H.)--Explosion, 1809--Poetry.