Landscape Architecture: Intro: Start Here

Credo Reference is an online reference service that aggregates authoritative reference works for desktop delivery. There are approximately 180 reference titles in Credo Reference, giving a total of 1.7 million entries, fully integrated and cross-linked.

WorldCat is a database of bibliographic records for all types of materials catalogued in libraries around the world, and includes the holdings of most academic libraries in North America. Catalogued materials include books, journals, electronic resources, manuscripts, and audio-visual materials, in hundreds of languages.