diff --git a/src/articles/interesting_sites.md b/src/articles/interesting_sites.md
index 2d9493e..64b5c4e 100644
--- a/src/articles/interesting_sites.md
+++ b/src/articles/interesting_sites.md
@@ -5,6 +5,7 @@ This is an unstructured list of web-sites I find interesting. I keep them here r
 * [Digital Superpowers](https://digitalsuperpowers.com/book/)
 * [Arch overview open source](https://aosabook.org/en/index.html)
 * [Build your own x](https://github.com/codecrafters-io/build-your-own-x)
+* [My Software Bookshelf](https://olano.dev/blog/my-software-bookshelf/)
 
 # Compilers #
 
@@ -17,6 +18,12 @@ This is an unstructured list of web-sites I find interesting. I keep them here r
 * [Asm hello world](https://jameshfisher.com/2018/03/10/linux-assembly-hello-world/)
 * [Linux syscall list](https://github.com/torvalds/linux/blob/master/arch/x86/entry/syscalls/syscall_64.tbl)
 
+# Languages #
+
+* [Python module of the week](https://pymotw.com/3/)
+* [Lesser known parts of the Python standard library](https://www.trickster.dev/post/lesser-known-parts-of-python-standard-library/)
+* [OCaml Book](https://cs3110.github.io/textbook/chapters/preface/about.html)
+
 # File Formats #
 
 * [Zlib spec](https://datatracker.ietf.org/doc/html/rfc1950)
@@ -87,6 +94,9 @@ This is an unstructured list of web-sites I find interesting. I keep them here r
 * [MathMl fonts](https://developer.mozilla.org/en-US/docs/Web/MathML/Fonts)
 * [Text rendering](https://behdad.org/text2024/)
 
+# Architecture and Design #
+
+* [Clean Coder Blog](https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html)
 
 # Gardening #