diff --git a/concurrency/README.md b/concurrency/README.md
index fca3bed..8d5dd2b 100644
--- a/concurrency/README.md
+++ b/concurrency/README.md
@@ -1,3 +1,7 @@
 * [Everything You Always Wanted to Know About Synchronization but Were Afraid to Ask](http://sigops.org/sosp/sosp13/papers/p33-david.pdf)
 
-* [Time, Clocks, and the Ordering of Events in a Distributed System](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+* [Time, Clocks, and the Ordering of Event in a Distributed System](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+
+* [Heap Architectures For Concurrent Languages Using Message Passing](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.108.1302&rep=rep1&type=pdf)
+
+* [Message Analysis for Concurrent Languages](http://user.it.uu.se/~kostis/Papers/escape.pdf)
diff --git a/concurrency/README.md.BACKUP.25290.md b/concurrency/README.md.BACKUP.25290.md
new file mode 100644
index 0000000..8f4f39a
--- /dev/null
+++ b/concurrency/README.md.BACKUP.25290.md
@@ -0,0 +1,11 @@
+* [Everything You Always Wanted to Know About Synchronization but Were Afraid to Ask](http://sigops.org/sosp/sosp13/papers/p33-david.pdf)
+
+<<<<<<< HEAD
+* [time-clocks-and-the-ordering-of-event-in-a-distributed-system](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+
+* [heap-architectures-for-concurrent-languages-using-message-passing](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.108.1302&rep=rep1&type=pdf)
+
+* [message-analysis-for-concurrent-languages](http://user.it.uu.se/~kostis/Papers/escape.pdf)
+=======
+* [Time, Clocks, and the Ordering of Events in a Distributed System](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+>>>>>>> c371233d03c8597fc7f9f0e1799a7e7fab9eccb7
diff --git a/concurrency/README.md.BASE.25290.md b/concurrency/README.md.BASE.25290.md
new file mode 100644
index 0000000..990d7d5
--- /dev/null
+++ b/concurrency/README.md.BASE.25290.md
@@ -0,0 +1,3 @@
+* [everything-you-always-wanted-to-know-about-synchronization-but-were-afraid-to-ask](http://sigops.org/sosp/sosp13/papers/p33-david.pdf)
+
+* [time-clocks-and-the-ordering-of-event-in-a-distributed-system](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
diff --git a/concurrency/README.md.LOCAL.25290.md b/concurrency/README.md.LOCAL.25290.md
new file mode 100644
index 0000000..5e9355f
--- /dev/null
+++ b/concurrency/README.md.LOCAL.25290.md
@@ -0,0 +1,7 @@
+* [everything-you-always-wanted-to-know-about-synchronization-but-were-afraid-to-ask](http://sigops.org/sosp/sosp13/papers/p33-david.pdf)
+
+* [time-clocks-and-the-ordering-of-event-in-a-distributed-system](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+
+* [heap-architectures-for-concurrent-languages-using-message-passing](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.108.1302&rep=rep1&type=pdf)
+
+* [message-analysis-for-concurrent-languages](http://user.it.uu.se/~kostis/Papers/escape.pdf)
diff --git a/concurrency/README.md.REMOTE.25290.md b/concurrency/README.md.REMOTE.25290.md
new file mode 100644
index 0000000..fca3bed
--- /dev/null
+++ b/concurrency/README.md.REMOTE.25290.md
@@ -0,0 +1,3 @@
+* [Everything You Always Wanted to Know About Synchronization but Were Afraid to Ask](http://sigops.org/sosp/sosp13/papers/p33-david.pdf)
+
+* [Time, Clocks, and the Ordering of Events in a Distributed System](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
diff --git a/concurrency/README.md.orig b/concurrency/README.md.orig
new file mode 100644
index 0000000..8f4f39a
--- /dev/null
+++ b/concurrency/README.md.orig
@@ -0,0 +1,11 @@
+* [Everything You Always Wanted to Know About Synchronization but Were Afraid to Ask](http://sigops.org/sosp/sosp13/papers/p33-david.pdf)
+
+<<<<<<< HEAD
+* [time-clocks-and-the-ordering-of-event-in-a-distributed-system](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+
+* [heap-architectures-for-concurrent-languages-using-message-passing](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.108.1302&rep=rep1&type=pdf)
+
+* [message-analysis-for-concurrent-languages](http://user.it.uu.se/~kostis/Papers/escape.pdf)
+=======
+* [Time, Clocks, and the Ordering of Events in a Distributed System](http://www.stanford.edu/class/cs240/readings/lamport.pdf)
+>>>>>>> c371233d03c8597fc7f9f0e1799a7e7fab9eccb7
diff --git a/garbage_collection/README.md b/garbage_collection/README.md
index e7ed09f..8eefe62 100644
--- a/garbage_collection/README.md
+++ b/garbage_collection/README.md
@@ -1,3 +1,5 @@
 * [A Unified Theory of Garbage Collection](http://www.cs.virginia.edu/~cs415/reading/bacon-garbage.pdf)
 
-* [Teaching Garbage Collection without Implementing Compilers or Interpreters](http://faculty.cs.byu.edu/~jay/static/cooper-sigcse2013.pdf)
+* [Teaching Garbage Collection Without Implementing Compilers o Interpreters](http://faculty.cs.byu.edu/~jay/static/cooper-sigcse2013.pdf)
+
+* [Message Analysis Guided Allocation and Low Pause Incremental GC in a Concurrent Language](http://user.it.uu.se/~kostis/Papers/ismm04.pdf)
diff --git a/garbage_collection/README.md.orig b/garbage_collection/README.md.orig
new file mode 100644
index 0000000..b0911f3
--- /dev/null
+++ b/garbage_collection/README.md.orig
@@ -0,0 +1,9 @@
+* [A Unified Theory of Garbage Collection](http://www.cs.virginia.edu/~cs415/reading/bacon-garbage.pdf)
+
+<<<<<<< HEAD
+* [teaching-garbage-collection-without-implementing-compilers-or-interpreters](http://faculty.cs.byu.edu/~jay/static/cooper-sigcse2013.pdf)
+
+* [message-analysis-guided-allocation-and-low-pause-incremental-GC-in-a-concurrent-language](http://user.it.uu.se/~kostis/Papers/ismm04.pdf)
+=======
+* [Teaching Garbage Collection without Implementing Compilers or Interpreters](http://faculty.cs.byu.edu/~jay/static/cooper-sigcse2013.pdf)
+>>>>>>> c371233d03c8597fc7f9f0e1799a7e7fab9eccb7