Helen Wallis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helen Wallis" in English language version.

refsWebsite

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2^nd place

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1books.google.com

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284^th place

187^th place

1web.archive.org

1^st place

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1cartography.org.uk

low place

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books.google.com

Sarah Tyacke (2019). "Helen Margaret Wallis, 1924-1995". In Elizabeth Baigent; André Reyes Novaes (eds.). Geographers: Biobibliographical Studies. Vol. 38. Bloomsbury Publishing. ISBN 978-1-350-12799-9.

cartography.org.uk

"The British Cartographic Society: The Awards > The Society Medal". Archived from the original on 23 September 2015. Retrieved 15 October 2013.

doi.org

Tony Campbell (2004). "Helen Margaret Wallis, Oxford Dictionary of National Biography". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/57148. Retrieved 15 October 2013. (Subscription or UK public library membership required.)
E. F. GUERITZ (1986). "Miscellany: DR HELEN WALLIS, O.B.E., F.S.A.". The Mariner's Mirror. 72 (3): 241. doi:10.1080/00253359.1986.10656090.

oxforddnb.com

Tony Campbell (2004). "Helen Margaret Wallis, Oxford Dictionary of National Biography". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/57148. Retrieved 15 October 2013. (Subscription or UK public library membership required.)

rgs.org

"Medals and Awards Recipients 1970-2007" (PDF). Royal Geographical Society. Retrieved 26 June 2009.

web.archive.org

"The British Cartographic Society: The Awards > The Society Medal". Archived from the original on 23 September 2015. Retrieved 15 October 2013.