diff --git a/jcparam.c b/jcparam.c
index 2954f635..a1d49d93 100644
--- a/jcparam.c
+++ b/jcparam.c
@@ -2,6 +2,7 @@
  * jcparam.c
  *
  * Copyright (C) 1991-1998, Thomas G. Lane.
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
diff --git a/jdcolor.c b/jdcolor.c
index e1dd3ff5..8e638c99 100644
--- a/jdcolor.c
+++ b/jdcolor.c
@@ -3,6 +3,7 @@
  *
  * Copyright (C) 1991-1997, Thomas G. Lane.
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
diff --git a/jdmaster.c b/jdmaster.c
index 38db792f..8314b67d 100644
--- a/jdmaster.c
+++ b/jdmaster.c
@@ -2,6 +2,7 @@
  * jdmaster.c
  *
  * Copyright (C) 1991-1997, Thomas G. Lane.
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
diff --git a/jdmerge.c b/jdmerge.c
index 7b1a079f..edf061a7 100644
--- a/jdmerge.c
+++ b/jdmerge.c
@@ -3,6 +3,7 @@
  *
  * Copyright (C) 1994-1996, Thomas G. Lane.
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
diff --git a/jpeglib.h b/jpeglib.h
index b28ff8df..31f0dd66 100644
--- a/jpeglib.h
+++ b/jpeglib.h
@@ -2,6 +2,7 @@
  * jpeglib.h
  *
  * Copyright (C) 1991-1998, Thomas G. Lane.
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
diff --git a/jquant1.c b/jquant1.c
index eac65a37..362bb1eb 100644
--- a/jquant1.c
+++ b/jquant1.c
@@ -2,6 +2,7 @@
  * jquant1.c
  *
  * Copyright (C) 1991-1996, Thomas G. Lane.
+ * Copyright (C) 2009, D. R. Commander
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
diff --git a/jquant2.c b/jquant2.c
index 9ce3ff36..da964f7d 100644
--- a/jquant2.c
+++ b/jquant2.c
@@ -2,6 +2,7 @@
  * jquant2.c
  *
  * Copyright (C) 1991-1996, Thomas G. Lane.
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *