diff --git a/Octokit/Clients/PullRequestsClient.cs b/Octokit/Clients/PullRequestsClient.cs
index 0c3ea179..bb449f9d 100644
--- a/Octokit/Clients/PullRequestsClient.cs
+++ b/Octokit/Clients/PullRequestsClient.cs
@@ -167,7 +167,7 @@ namespace Octokit
         /// <param name="owner">The owner of the repository</param>
         /// <param name="name">The name of the repository</param>
         /// <param name="number">The pull request number</param>
-        /// <returns>A <see cref="IReadOnlyList{PullRequestFile}"/> of <see cref="Files"/>s which are part of this pull request</returns>
+        /// <returns>A <see cref="IReadOnlyList{PullRequestFile}"/> which are part of this pull request</returns>
         public Task<IReadOnlyList<PullRequestFile>> Files(string owner, string name, int number)
         {
             Ensure.ArgumentNotNullOrEmptyString(owner, "owner");
diff --git a/Octokit/Models/Request/PullRequestRequest.cs b/Octokit/Models/Request/PullRequestRequest.cs
index 9c8a2adc..b4e8cb13 100644
--- a/Octokit/Models/Request/PullRequestRequest.cs
+++ b/Octokit/Models/Request/PullRequestRequest.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using System.Globalization;
+using Octokit.Internal;
 
 namespace Octokit
 {
@@ -10,6 +11,8 @@ namespace Octokit
         public PullRequestRequest()
         {
             State = ItemState.Open;
+            SortProperty = PullRequestSort.Created;
+            SortDirection = SortDirection.Descending;
         }
 
         /// <summary>
@@ -27,6 +30,18 @@ namespace Octokit
         /// </summary>
         public string Base { get; set; }
 
+        /// <summary>
+        /// What property to sort pull requests by.
+        /// </summary>
+        [Parameter(Key="sort")]
+        public PullRequestSort SortProperty { get; set; }
+
+        /// <summary>
+        /// What direction to sort the pull requests.
+        /// </summary>
+        [Parameter(Key="direction")]
+        public SortDirection SortDirection { get; set; }
+
         internal string DebuggerDisplay
         {
             get
@@ -35,4 +50,25 @@ namespace Octokit
             }
         }
     }
+
+    public enum PullRequestSort
+    {
+        /// <summary>
+        /// Sort by created date (default)
+        /// </summary>
+        Created,
+        /// <summary>
+        /// Sort by last updated date
+        /// </summary>
+        Updated,
+        /// <summary>
+        /// Sort by popularity (comment count)
+        /// </summary>
+        Popularity,
+        /// <summary>
+        /// Sort by age (filtering by pulls updated in the last month)
+        /// </summary>
+        [Parameter(Key="long-running")]
+        LongRunning
+    }
 }
diff --git a/Octokit/Models/Response/PullRequestFile.cs b/Octokit/Models/Response/PullRequestFile.cs
index dbf9b336..b8392792 100644
--- a/Octokit/Models/Response/PullRequestFile.cs
+++ b/Octokit/Models/Response/PullRequestFile.cs
@@ -27,16 +27,16 @@ namespace Octokit
             Patch = patch;
         }
 
-        public string Sha { get; set; }
-        public string FileName { get; set; }
-        public string Status { get; set; }
-        public int Additions { get; set; }
-        public int Deletions { get; set; }
-        public int Changes { get; set; }
-        public Uri BlobUri { get; set; }
-        public Uri RawUri { get; set; }
-        public Uri ContentsUri { get; set; }
-        public string Patch { get; set; }
+        public string Sha { get; protected set; }
+        public string FileName { get; protected set; }
+        public string Status { get; protected set; }
+        public int Additions { get; protected set; }
+        public int Deletions { get; protected set; }
+        public int Changes { get; protected set; }
+        public Uri BlobUri { get; protected set; }
+        public Uri RawUri { get; protected set; }
+        public Uri ContentsUri { get; protected set; }
+        public string Patch { get; protected set; }
 
         internal string DebuggerDisplay
         {