diff --git a/index.html b/index.html
index a84247f..c54d744 100644
--- a/index.html
+++ b/index.html
@@ -72,6 +72,10 @@ <h2 class="special-color">Mathematics</h2>
         <ul>
           <li><button class="button" onclick="window.location.href='https://github.com/victorballester7/Complete-summaries/releases/latest/download/Advanced_probability.pdf';" target="_top">Advanced probability</button></li>
           <li><button class="button" onclick="window.location.href='https://github.com/victorballester7/Complete-summaries/releases/latest/download/Advanced_topics_in_functional_analysis_and_PDEs.pdf';" target="_top">Advanced topics in functional analysis and PDEs</button></li>
+          <li><button class="button" onclick="window.location.href='https://github.com/victorballester7/Complete-summaries/releases/latest/download/Introduction_to_evolution_PDEs.pdf';" target="_top">Introduction to evolution PDEs</button></li>
+          <li><button class="button" onclick="window.location.href='https://github.com/victorballester7/Complete-summaries/releases/latest/download/Introduction_to_non_linear_PDEs.pdf';" target="_top">Introduction to non linear PDEs</button></li>
+          <li><button class="button" onclick="window.location.href='https://github.com/victorballester7/Complete-summaries/releases/latest/download/Limit_theorems_and_large_deviations.pdf';" target="_top">Limit theorems and large deviations</button></li>
+          <li><button class="button" onclick="window.location.href='https://github.com/victorballester7/Complete-summaries/releases/latest/download/Stochastic_calculus.pdf';" target="_top">Stochastic calculus</button></li>
         </ul>
       </ul>
     </div>