diff --git a/core-java-modules/core-java-networking-3/README.md b/core-java-modules/core-java-networking-3/README.md
index a81970cd30..2e76ab5d51 100644
--- a/core-java-modules/core-java-networking-3/README.md
+++ b/core-java-modules/core-java-networking-3/README.md
@@ -7,4 +7,5 @@ This module contains articles about networking in Java
 - [Finding a Free Port in Java](https://www.baeldung.com/java-free-port)
 - [Downloading Email Attachments in Java](https://www.baeldung.com/java-download-email-attachments)
 - [Connection Timeout vs. Read Timeout for Java Sockets](https://www.baeldung.com/java-socket-connection-read-timeout)
+- [Find Whether an IP Address Is in the Specified Range or Not in Java](https://www.baeldung.com/java-check-ip-address-range)
 - [[<-- Prev]](/core-java-modules/core-java-networking-2)
diff --git a/data-structures/README.md b/data-structures/README.md
index f207c2e92b..cfcfbc6a0a 100644
--- a/data-structures/README.md
+++ b/data-structures/README.md
@@ -13,3 +13,4 @@ This module contains articles about data structures in Java
 - [Graphs in Java](https://www.baeldung.com/java-graphs)
 - [Implementing a Ring Buffer in Java](https://www.baeldung.com/java-ring-buffer)
 - [How to Implement Min-Max Heap In Java](https://www.baeldung.com/java-min-max-heap)
+- [How to Implement LRU Cache in Java](https://www.baeldung.com/java-lru-cache)
diff --git a/kubernetes/k8s-admission-controller/README.md b/kubernetes/k8s-admission-controller/README.md
new file mode 100644
index 0000000000..c446ab403d
--- /dev/null
+++ b/kubernetes/k8s-admission-controller/README.md
@@ -0,0 +1,3 @@
+## Relevant Articles:
+
+- [Creating a Kubertes Admission Controller in Java](https://www.baeldung.com/java-kubernetes-admission-controller)
diff --git a/persistence-modules/java-cassandra/README.md b/persistence-modules/java-cassandra/README.md
index f3710c9d69..81ad5aca59 100644
--- a/persistence-modules/java-cassandra/README.md
+++ b/persistence-modules/java-cassandra/README.md
@@ -1,3 +1,4 @@
 ### Relevant Articles:
 - [A Guide to Cassandra with Java](http://www.baeldung.com/cassandra-with-java)
 - [Intro to DataStax Java Driver for Apache Cassandra](https://www.baeldung.com/cassandra-datastax-java-driver)
+- [CQL Data Types](https://www.baeldung.com/cassandra-data-types)