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Columbia Encyclopedia

Columbia Electronic Encyclopedia, published by Columbia University Press
The Columbia Electronic Encyclopedia contains entries on people, places, events, historical facts and terms, with bibliographies for further reading.
On this page: Agra to air navigation.
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Title Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9
A:  < Previous  8  9  10  11  12  13  14  15  16  17  Next > 

Agra (former province, India)
agranulocytosis (disease)
Agrapha of Jesus (in Christianity)
agrarian laws (law, ancient Rome)
agrarian reform (in agriculture)
Agricultural Adjustment Administration (government, history, United States)
agricultural subsidies (in agriculture, economics)
agriculture (in agriculture)
Agriculture, United States Department of (government, United States)
Agrigento (city, Italy)
agrimony (plant)
agronomy (branch of agriculture)
Agua (volcano, Guatemala)
Aguadilla (city, Puerto Rico)
Aguascalientes (state, Mexico)
Aguascalientes (city, Mexico)
Agulhas, Cape (geographical area, South Africa)
Agusan (river, Philippines)
Ahasuerus (in the Bible)
Ahava (place)
ahimsa (in Buddhism, Hinduism)
Ahlab (ancient city)
Ahmadabad (city, India)
Ahmadiyya (in Islam)
Ahmadnagar (city, India)
Ahome (city, Mexico)
Ahuachapán (city, El Salvador)
Ahvaz (city, Iran)
Ai (ancient city)
Aichi (prefecture, Japan)
aids (in feudalism)
AIDS (in medicine)
Aiea (city, Hawaii)
Aijalon (ancient city, Israel)
Aijeleth Shahar (in the Old Testament)
Aiken (city, South Carolina)
ailanthus (tree)
Ailsa Craig (island, Scotland)
Ain (department, France)
Ain (in the Bible)
Ainu (people, Japan)
Aioi (city, Japan)
Air Force, United States Department of the (government, United States)
air forces (in the military, aviation)
air lock (mechanical device)
air mass (in meteorology)
air navigation (in science)