| Keyword | Type | See | See also | Notes |
|---|---|---|---|---|
| Abagusii | Ethnic group | Gusi | ||
| Aban | Ethnic group | Shor | ||
| Abandoned settlements | Keyword | |||
| Abashevo culture | Keyword | |||
| Abbasids | Keyword | Islamic empire | ||
| Abduction | Keyword | |||
| Abelam | Ethnic group | |||
| Abenaki | Ethnic group | |||
| Abidjan | Place | |||
| Ability | Keyword | |||
| Abipon | Ethnic group | |||
| Abkhazia | Place | Georgia | ||
| Abkhazians | Ethnic group | |||
| Abnaki | Ethnic group | Abenaki | ||
| Abnormalities | Keyword | |||
| ABO blood-group system | Keyword | |||
| Abolitionists | Keyword | |||
| Abominable snowman | Keyword | Yeti | ||
| Abor | Ethnic group | |||
| Aboriginal studies | Keyword | |||
| Abortion | Keyword | |||
| Abrasion | Keyword | |||
| Abron | Ethnic group | |||
| Absahrokee language | Keyword | Crow language | ||
| Absaraka language | Keyword | Crow language | ||
| Absaroka language | Keyword | Crow language | ||
| Absaroke language | Keyword | Crow language | ||
| Absolutism | Keyword | Despotism | ||
| Abu Dhabi | Place | United Arab Emirates | ||
| Abu Hureyra site | Place | |||
| Abusir site | Place | |||
| Abydos site | Place | |||
| Academic controversies | Keyword | Scientific controversies | ||
| Academic freedom | Keyword | |||
| Academic publishing | Keyword | Scholarly publishing | ||
| Academic status | Keyword | |||
| Academic writing | Keyword | |||
| Academics | Keyword | |||
| Acadians | Ethnic group | Cajuns | ||
| Accents and accentuation | Keyword | |||
| Access | Keyword | |||
| Accidents | Keyword | Traffic accidents | ||
| Acclimatisation | Keyword | |||
| Accra | Place | |||
| Accreditation | Keyword | |||
| Acculturation | Keyword | Assimilation | ||
| Achaemenid dynasty | Keyword | |||
| Achaemenid empire | Keyword | |||
| Achagua | Ethnic group | |||
| Achang | Ethnic group |