Antzeko izenburuak: O general my general :
Gaia: Revolution
Gaia: History
- At the ends of the earth : a history of the polar regions /
- The Unfinished Nation : a Concise History of the American People /
- Nation of nations : a narrative history of the American republic /
- Teachers, schools, and society /
- Julian Robertson : tiger in the land of bulls and bears /
- For the record : a documentary history of America /