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Subject (Region)
- Aden, Gulf of1
- Adriatic Sea2
- Africa5
- Africa, Central1
- Africa, East5
- Africa, French-speaking Equatorial1
- Africa, Sub-Saharan3
- Africa, West1
- Afrique australe1
- Ahramat Abu Sir1
- Alabama1
- Alaska, Department and District of (1867-1912)3
- Amazonas (State)1
- America3
- Amsterdam1
- Analamazaotra2
- Anatomy3
- Anatomía2
- Angola1
- Ann Arbor (Mich.)2