4 · Society, Civilization, Culture
45 · warfare; military affairs
45C · (military) equipment and supply
45C1 · weapons
45C16 · firearms
45C161 · ammunition
45C1612 · gunpowder disaster
45C1612(+6) · gunpowder disaster (+ weapons)
45C1612(+69) ·
gunpowder disaster (+ destruction of weapons)