Here are entered works on military aerial observation in general, including aerial reconnaissance and surveillance, monitoring of friendly ground forces, observation of friendly artillery fire, etc. Works limited to the aerial examination of enemy territory to obtain military information concerning installations, movements, resources, strength, etc., are entered under Aerial reconnaissance.
Here are entered works on creating aerial photographs. Works on interpreting aerial photographs are entered under Photographic interpretation. Works on handling, maintaining, and indexing aerial photographs in unbound collections are entered under Aerial photographs.
Here are entered works on handling, maintaining, and indexing aerial photographs in unbound collections. Works on creating aerial photographs are entered under Aerial photography. Works on interpreting aerial photographs are entered under Photographic interpretation. --subdivision Aerial photographs under names of countries, cities, etc., and under topical headings
