Libraries & Archives:

American Museum of Natural History Library

Biosciences & Natural Resources Library

Bodleian Library, Oxford, England

British Library, London, England

Cabot Science Library, Harvard University

California Academy of Sciences Library

Cornell University Library, Division of Rare & Manuscript Collections

Illinois Natural History Survey Library

Library of Congress, USA

Life Science Library

National Oceanic & Atmospheric Administration, Central Library

New York Botanical Gardens Library

Royal Ontario Museum, Libraries & Information Center

San Francisco Public Library, San Francisco, California

Scripps Institute of Oceanography Library

United States Geological Survey Library

Vatican Library, texts on botany & natural history