Arthur Meier Schlesinger, Jr.

Angela Merkel. Modern World Leaders. (Modern World Leaders)

Ali Khamenei. Modern World Leaders. (Modern World Leaders)

Hu Jintao. Modern World Leaders.

Hydrosphere

Russia. Modern World Nations. (Modern World Nations)

Hydrosphere: Freshwater Systems and Pollution. Our Fragile Planet. (Our Fragile Planet)

Puerto Rico. Modern World Nations.

Recep Tayyip Erdogan. Major World Leaders. (Major World Leaders)

Kenya. Modern World Nations.

Netherlands, The. Modern World Nations.

Uzbekistan. Modern World Nations.

Iceland. Modern World Nations.

Harvard Guide to American History