This bibliography identifies key books, reports, and documents for research in the areas of environmental protection, management, and science. The titles included are those used most frequently by librarians and their staffs working in Environmental Protection Agency libraries in support of the Agency's mission. Recommended titles are listed under the topics: air, bibliographies, dictionaries and glossaries, directories, encyclopedias, environmental management, environmental policy, general environmental information, hazardous waste, laboratory practices, law and legislation, pesticides, pollution prevention, research and development, solid waste, toxic substances, and water. Each entry includes the title, author or editor, publication date, publisher or distributor, and ordering information. The bibliography contains a brief list of background documents that may be found in non-environmental collections, but which are useful for researching regulatory or legislative environmental information. A table of acronyms used throughout the listing is also provided. A list of companies that publish or distribute environmental information sources contains 67 entries. Includes an index. (LZ)