St Rule pear (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "St Rule pear" in English language version.

refsWebsite

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2books.google.com

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archive.org

Amherst, Alicia (1895). A History of Gardening in England by the Hon. Alicia (M.T.) Amherst ... B. Quaritch.

books.google.com

Morgan, Joan (2015). The Book of Pears: The Definitive History and Guide to Over 500 Varieties. Chelsea Green Publishing. ISBN 978-1-60358-666-5.
McLean, Teresa (2014-07-16). Medieval English Gardens. Courier Corporation. ISBN 978-0-486-78119-8.