-- See Also the narrower term Bomb reconnaissance Here are entered works on the location, identification, and application of safety measures as protection against unexploded bombs which have been set to detonate. --subdivision Bomb reconnaissance under individual wars, e.g. World War, 1939-1945--Bomb reconnaissance
3
-- See Also the narrower term Bombing, Aerial Here are entered works on military bombardments by means of bombs dropped from the air. Works on sustained military attacks on cities, military positions, etc., with bombs, shells, rockets, or other explosive missiles are entered under Bombardment. Works on the use of explosive devices for the purposes of political terrorism, protest, etc., are entered under Bombings. --subdivision History--Bombardment, [date] under names of countries, cities, etc.; and subdivision Aerial operations under individual wars, e.g. World War, 1939-1945--Aerial operations
4
-- See Also Bombings Here are entered works on the use of explosive devices for the purposes of political terrorism, protest, etc. Works on sustained military attacks on cities, military positions, etc., with bombs, shells, rockets or other explosive missiles are entered under Bombardment. Works on military bombardments by means of bombs dropped from the air are entered under Bombing, Aerial.