Map of core part of Holkham NNR
<a href="//commons.wikimedia.org/wiki/User:Jimfbleak" title="User:Jimfbleak">Jimfbleak</a>
<p>Own work  using:
</p>
<ul><li><cite class="book" style="font-style:normal" id="Reference-Harrup-2010">Harrup, Simon; Redman, Nigel (2010)      <i> Where to watch birds in Britain</i>, <a href="https://en.wikipedia.org/wiki/en:London" class="extiw" title="w:en:London"><span title="capital and largest city of the United Kingdom">London</span></a>:  Christopher Helm, p. 244  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-1-4081-1059-1" title="Special:BookSources/978-1-4081-1059-1">978-1-4081-1059-1</a>. </small></cite> and * <cite class="book" style="font-style:normal">Natural England (2009)      <i> <a rel="nofollow" class="external text" href="http://publications.naturalengland.org.uk/file/62094">Holkham National Nature Reserve</a></i>, <a href="https://en.wikipedia.org/wiki/en:Sheffield" class="extiw" title="w:en:Sheffield"><span title="city in South Yorkshire, England, United Kingdom">Sheffield</span></a>:  Natural England, pp. 17–19  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-1-84754-133-X" title="Special:BookSources/978-1-84754-133-X">978-1-84754-133-X</a>. </small></cite></li></ul>