A national emblem is a symbol that represents a nation. It may or may not appear on the national flag. It is usually something from the natural world, eg. an animal or bird, but can be any object.
The official national emblems of nations of the world in alphabetical order :
... which he appended a history of the Kantian doctrine.
Literary and General
Geschichte der deutschen Poesie im Mittelalter (1830)
Handbuch einer allgemeinen Geschichte ...