Covers scholarly, government, and popular sources on all aspects of human impact to the environment, including: global climate change, green building, pollution, sustainable agriculture, renewable energy, recycling, and more. (EBSCO)
Search the full-text of millions of books. Use as a "discovery" tool to find books on your topic. Books in the public domain (generally, pre-1923) are available full-text. Newer books offer limited viewing--from many pages to nothing.Note: This is just for books (and some magazines). To find scholarly articles, use Google Scholar.
Enter words or phrases and graph their occurrences in publications over five centuries. Then browse the results using Google Books. Use it to compare shifting synonyms (junior high > middle school), or the growth of a new word (Internet).
Project Vote Smart offers this handy place to find information about how government works, including: How a Bill Becomes a Law, the President, Congress, Constitution, Elections, Campaign Finance, Budget, and State Government.
GovSpot.com is a non-partisan government portal designed to help you search for government information online. It is based on government and civic resources selected for their quality, content and utility.
Use the Government Printing Office Federal Digital System to get free electronic access to all sorts of information produced by the Federal Government. This is the official published version of these documents.
A vellum copy offered with amazing color and detail. View beautiful close-ups of illuminations. Also provides an historic text describing how printers added illuminations to the texts. Excellent background information on the history of manuscripts and the development of the printing press.