The modern ark : a history of the Endangered Species Act /Author: Petersen, Shannon.
Publisher: [Place of publication not identified] : [publisher not identified],
Date: 2000. This title can be found in 1 Iowa libraries.
The modern ark : the story of zoos : past, present, and future /Author: Croke, Vicki.
Publisher: New York : Scribner,
Date: c1997. This title can be found in 9 Iowa libraries.
The modern ark : saving endangered species /Author: Cohen, Daniel,
Publisher: New York : Putnam,
Date: c1995. This title can be found in 5 Iowa libraries.
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