For more information on park history, park studies, and other historical documentation about the Statue of Liberty, click on the links below.
Administrative Histories (2) of the Statue of Liberty:
Statue of Liberty National Monument: Its Origin, Development and Administration (1886 - 1952): http://www.nps.gov/history/history/online_books/stli/adhi.pdf
"Celebrating the Immigrant: An Administrative History of the Statue of Liberty National Monument 1952 - 1982": http://www.nps.gov/history/history/online_books/stli/adhi.htm
You might also be interested in these resources:
The Statue of Liberty Historic Structure Report: http://www.nps.gov/history/history/online_books/stli/stli_hsr.pdf
Did You Know?
Ellis Island is not its own National Park site. It was added to the National Park system in May of 1965 by President Lyndon B. Johnson. It is part of the Statue of Liberty National Monument and was opened to the public as a museum of immigration in 1990.