====== SUBJECT WISE TREES ======


<panel type="primary" title="Culture and arts">
</panel>

<panel type="primary" title="Religion and belief systems">
</panel>

<panel type="primary" title="Philosophy and thinking">
  * [[:en:psychological_trees | Psychological trees ]]
</panel>

<panel type="primary" title="Society and social sciences">
</panel>

<panel type="primary" title="People and self">
</panel>

<panel type="primary" title="Language and communication">
  * [[:en:linguistic_trees | linguistics trees ]]
</panel>

<panel type="primary" title="Geography and places">
</panel>

<panel type="primary" title="Nature and physicality">
</panel>

<panel type="primary" title="Mathematics and logic">

</panel>

<panel type="primary" title="Technology and applied sciences">

</panel>

<panel type="primary" title="History and events">
</panel>


<panel type="primary" title="Health and fitness">
  * [[:en:medical_trees | medical trees  ]]
  * [[:en:biological_trees | Biological trees ]]
</panel>