diff --git a/core-java-modules/core-java-9-jigsaw/README.md b/core-java-modules/core-java-9-jigsaw/README.md
index b1a401d48c..cfffb86588 100644
--- a/core-java-modules/core-java-9-jigsaw/README.md
+++ b/core-java-modules/core-java-9-jigsaw/README.md
@@ -7,5 +7,6 @@ This module contains articles about Project Jigsaw and the Java Platform Module
 - [Introduction to Project Jigsaw](http://www.baeldung.com/project-jigsaw-java-modularity)
 - [A Guide to Java 9 Modularity](https://www.baeldung.com/java-9-modularity)
 - [Java 9 java.lang.Module API](https://www.baeldung.com/java-9-module-api)
+- [Java 9 Illegal Reflective Access Warning](https://www.baeldung.com/java-illegal-reflective-access)
 
 
diff --git a/httpclient-2/README.md b/httpclient-2/README.md
index 571a45f207..2e101a0609 100644
--- a/httpclient-2/README.md
+++ b/httpclient-2/README.md
@@ -13,4 +13,5 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [How To Get Cookies From the Apache HttpClient Response](https://www.baeldung.com/java-apache-httpclient-cookies)
 - [Enabling Logging for Apache HttpClient](https://www.baeldung.com/apache-httpclient-enable-logging)
 - [Expand Shortened URLs with Apache HttpClient](https://www.baeldung.com/apache-httpclient-expand-url)
+- [Apache HttpClient vs. CloseableHttpClient](https://www.baeldung.com/apache-httpclient-vs-closeablehttpclient)
 - More articles: [[<-- prev]](../httpclient)
diff --git a/java-numbers-4/README.md b/java-numbers-4/README.md
index a6d866218c..95d46203ab 100644
--- a/java-numbers-4/README.md
+++ b/java-numbers-4/README.md
@@ -5,3 +5,4 @@
 - [Determine if an Integer’s Square Root Is an Integer in Java](https://www.baeldung.com/java-find-if-square-root-is-integer)
 - [Guide to Java BigInteger](https://www.baeldung.com/java-biginteger)
 - [Automorphic Numbers in Java](https://www.baeldung.com/java-automorphic-numbers)
+- [Convert Byte Size Into a Human-Readable Format in Java](https://www.baeldung.com/java-human-readable-byte-size)
diff --git a/jmeter/README.md b/jmeter/README.md
index 6fdc79a2ce..23614307bd 100644
--- a/jmeter/README.md
+++ b/jmeter/README.md
@@ -53,3 +53,4 @@ Enjoy it :)
 - [Intro to Performance Testing using JMeter](https://www.baeldung.com/jmeter)
 - [Configure Jenkins to Run and Show JMeter Tests](https://www.baeldung.com/ops/jenkins-and-jmeter)
 - [Write Extracted Data to a File Using JMeter](https://www.baeldung.com/jmeter-write-to-file)
+- [Basic Authentication in JMeter](https://www.baeldung.com/jmeter-basic-auth)
diff --git a/persistence-modules/hibernate-queries/README.md b/persistence-modules/hibernate-queries/README.md
index f1bc1cba0f..ac52e73abf 100644
--- a/persistence-modules/hibernate-queries/README.md
+++ b/persistence-modules/hibernate-queries/README.md
@@ -10,3 +10,4 @@ This module contains articles about use of Queries in Hibernate.
 - [Hibernate Named Query](https://www.baeldung.com/hibernate-named-query)
 - [Hibernate Query Plan Cache](https://www.baeldung.com/hibernate-query-plan-cache)
 - [Hibernate’s addScalar() Method](https://www.baeldung.com/hibernate-addscalar)
+- [Distinct Queries in HQL](https://www.baeldung.com/java-hql-distinct)
diff --git a/persistence-modules/spring-boot-persistence-mongodb/README.md b/persistence-modules/spring-boot-persistence-mongodb/README.md
index 91dd8718e1..6659e82677 100644
--- a/persistence-modules/spring-boot-persistence-mongodb/README.md
+++ b/persistence-modules/spring-boot-persistence-mongodb/README.md
@@ -8,3 +8,4 @@
 - [A Guide to @DBRef in MongoDB](https://www.baeldung.com/spring-mongodb-dbref-annotation)
 - [Import Data to MongoDB From JSON File Using Java](https://www.baeldung.com/java-import-json-mongodb)
 - [Logging MongoDB Queries with Spring Boot](https://www.baeldung.com/spring-boot-mongodb-logging)
+- [Return Only Specific Fields for a Query in Spring Data MongoDB](https://www.baeldung.com/mongodb-return-specific-fields)
diff --git a/spring-boot-modules/spring-boot-data-2/README.md b/spring-boot-modules/spring-boot-data-2/README.md
index c01c54e29e..fd9d034f8a 100644
--- a/spring-boot-modules/spring-boot-data-2/README.md
+++ b/spring-boot-modules/spring-boot-data-2/README.md
@@ -5,3 +5,4 @@
 - [“HttpMessageNotWritableException: No converter found for return value of type”](https://www.baeldung.com/spring-no-converter-found)
 - [Creating a Read-Only Repository with Spring Data](https://www.baeldung.com/spring-data-read-only-repository)
 - [Using JaVers for Data Model Auditing in Spring Data](https://www.baeldung.com/spring-data-javers-audit)
+- [BootstrapMode for JPA Repositories](https://github.com/eugenp/tutorials/tree/master/spring-boot-modules/spring-boot-data-2)
diff --git a/spring-core-5/README.md b/spring-core-5/README.md
index b6c9ba606a..ebf62ac24f 100644
--- a/spring-core-5/README.md
+++ b/spring-core-5/README.md
@@ -10,4 +10,5 @@ This module contains articles about core Spring functionality.
 - [AliasFor Annotation in Spring](https://www.baeldung.com/spring-aliasfor-annotation)
 - [A Quick Guide to the Spring @Lazy Annotation](https://www.baeldung.com/spring-lazy-annotation)
 - [Finding the Spring Version](https://www.baeldung.com/spring-find-version)
+- [How Does the Spring Singleton Bean Serve Concurrent Requests?](https://www.baeldung.com/spring-singleton-concurrent-requests)
 - More articles: [[<-- prev]](../spring-core-4)