diff --git a/distributed-file-systems/Ceph A Scalable, High-Performance Distributed File System.pdf b/distributed-file-systems/Ceph A Scalable, High-Performance Distributed File System.pdf
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diff --git a/datastores/the-google-file-system.pdf b/distributed-file-systems/Google file System-sosp2003 -Original Paper.pdf
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rename to distributed-file-systems/Google file System-sosp2003 -Original Paper.pdf
diff --git a/distributed-file-systems/README.md b/distributed-file-systems/README.md
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+# Distributed File Systems
+
+- [Sun NFS](http://www.cs.ucf.edu/~eurip/papers/sandbergnfs.pdf)
+- [Google (GFS)](https://static.googleusercontent.com/media/research.google.com/en//archive/gfs-sosp2003.pdf)
+- [Hadoop (HDFS)](https://storageconference.us/2010/Papers/MSST/Shvachko.pdf)
+- [Ceph](https://www.ssrc.ucsc.edu/Papers/weil-osdi06.pdf)
+- [Coda](http://www.coda.cs.cmu.edu/ljpaper/lj.html)
+- [Frangipani](https://pdos.csail.mit.edu/6.824/papers/thekkath-frangipani.pdf)
diff --git a/distributed-file-systems/The Hadoop Distributed File System-Original paper .pdf b/distributed-file-systems/The Hadoop Distributed File System-Original paper .pdf
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diff --git a/languages/C++/README.md b/languages/C++/README.md
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+# C++
+
+[Why C++ is not just an Object-Oriented Programming Language-Original](http://www.stroustrup.com/oopsla.pdf)
diff --git a/languages/C++/Why C++is not just an Object-Oriented Programming Language-Original.pdf b/languages/C++/Why C++is not just an Object-Oriented Programming Language-Original.pdf
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+# C
+[The Development of the C Language-Original](https://heim.ifi.uio.no/inf2270/programmer/historien-om-C.pdf)
diff --git a/languages/C/The Development of the C Language-Original.pdf b/languages/C/The Development of the C Language-Original.pdf
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diff --git a/languages/Go/Go Language Original Paper.pdf b/languages/Go/Go Language Original Paper.pdf
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+# Go
+
+[Go Lang Original Paper](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.138.6297&rep=rep1&type=pdf)
diff --git a/languages/Java/1995_Java_whitepaper.pdf b/languages/Java/1995_Java_whitepaper.pdf
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+# Java
+
+[Java Original Paper](https://pdfs.semanticscholar.org/ee07/8894734c70589cb9653e2169a4342ae02355.pdf)
+
+[Java Whitepaper from Strastroup website](http://www.stroustrup.com/1995_Java_whitepaper.pdf)
diff --git a/search-engines/README.md b/search-engines/README.md
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+# Search Engines Original Papers
+- [Google](http://infolab.stanford.edu/pub/papers/google.pdf)
+- [Bing](https://arxiv.org/pdf/1802.04914.pdf)
+- [Yahoo](https://www.kdd.org/kdd2016/papers/files/adf0361-yinA.pdf)
diff --git a/search-engines/Ranking Relevance in Yahoo Search.pdf b/search-engines/Ranking Relevance in Yahoo Search.pdf
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