Index of citations from the U.S. Department of Agriculture’s National Agricultural Library for materials covering agriculture and related disciplines. Cited materials include journal articles, books, patents, technical reports, etc.
The IABL contains citations for publications dealing with various aspects of extant and fossil American plants and fungi, including ecology, systematics and floristics, and morphology, as well as economic botany.
Index of articles with some full-text covering global warming, green building, pollution, sustainable agriculture, renewable energy and recycling. Coverage: 1900s - present.