Previous PyTorch version info (#3549)

README.md

@@ -15,6 +15,7 @@ We are in an early-release beta. Expect some adventures and rough edges.
   - [Binaries](#binaries)
   - [From Source](#from-source)
   - [Docker Image](#docker-image)
+  - [Previous Versions](#previous-versions)
 - [Getting Started](#getting-started)
 - [Communication](#communication)
 - [Releases and Contributing](#releases-and-contributing)
@@ -217,6 +218,11 @@ Please note that PyTorch uses shared memory to share data between processes, so
 for multithreaded data loaders) the default shared memory segment size that container runs with is not enough, and you
 should increase shared memory size either with `--ipc=host` or `--shm-size` command line options to `nvidia-docker run`.
 
+### Previous Versions
+
+Installation instructions and binaries for previous PyTorch versions may be found
+on [our website](http://pytorch.org/previous-versions/).
+
 
 ## Getting Started