diff --git a/include/empthread.h b/include/empthread.h
index 4d039f3e..37c96fb0 100644
--- a/include/empthread.h
+++ b/include/empthread.h
@@ -31,7 +31,8 @@
  *     Sasha Mikheev
  *     Doug Hay, 1998
  *     Steve McClure, 1998
- *     Markus Armbruster, 2005-2007
+ *     Markus Armbruster, 2005-2008
+ *     Ron Koenderink, 2005-2008
  */
 
 /*
diff --git a/src/lib/commands/load.c b/src/lib/commands/load.c
index c98fdf90..e3aedd69 100644
--- a/src/lib/commands/load.c
+++ b/src/lib/commands/load.c
@@ -31,6 +31,7 @@
  *     David Sharnoff, 1987
  *     Ken Stevens, 1995 (rewritten)
  *     Steve McClure, 1998-2000
+ *     Markus Armbruster, 2004-2008
  */
 
 #include <config.h>
diff --git a/src/lib/commands/scra.c b/src/lib/commands/scra.c
index c7beacfa..51187b22 100644
--- a/src/lib/commands/scra.c
+++ b/src/lib/commands/scra.c
@@ -29,6 +29,7 @@
  * 
  *  Known contributors to this file:
  *     Steve McClure, 2000
+ *     Markus Armbruster, 2004-2008
  */
 
 #include <config.h>
diff --git a/src/lib/commands/scut.c b/src/lib/commands/scut.c
index 1de0369e..731e2e69 100644
--- a/src/lib/commands/scut.c
+++ b/src/lib/commands/scut.c
@@ -28,7 +28,7 @@
  *  scut.c: Scuttle ships, planes or land units
  * 
  *  Known contributors to this file:
- *     
+ *     Markus Armbruster, 2004-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/journal.c b/src/lib/subs/journal.c
index 7c35b23d..9313135a 100644
--- a/src/lib/subs/journal.c
+++ b/src/lib/subs/journal.c
@@ -29,6 +29,7 @@
  * 
  *  Known contributors to this file:
  *     Markus Armbruster, 2004-2008
+ *     Ron Koenderink, 2008
  */
 
 /*
diff --git a/src/lib/subs/land.c b/src/lib/subs/land.c
index 5ba2c1fe..de39de69 100644
--- a/src/lib/subs/land.c
+++ b/src/lib/subs/land.c
@@ -29,6 +29,7 @@
  * 
  *  Known contributors to this file:
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2004-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/maps.c b/src/lib/subs/maps.c
index 68e81887..7144e1c8 100644
--- a/src/lib/subs/maps.c
+++ b/src/lib/subs/maps.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Ken Stevens, 1995
  *     Steve McClure, 1998
+ *     Markus Armbruster, 2004-2008
  *     Ron Koenderink, 2006
  */
 
diff --git a/src/lib/subs/paths.c b/src/lib/subs/paths.c
index b83a50cb..9d98058d 100644
--- a/src/lib/subs/paths.c
+++ b/src/lib/subs/paths.c
@@ -28,7 +28,7 @@
  *  path.c: Routines associated with paths, directions, etc.
  * 
  *  Known contributors to this file:
- *   
+ *     Markus Armbruster, 2005-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/plane.c b/src/lib/subs/plane.c
index 0fd36829..c49d9e53 100644
--- a/src/lib/subs/plane.c
+++ b/src/lib/subs/plane.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1989
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2006-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/sect.c b/src/lib/subs/sect.c
index 6944688e..5edb0f39 100644
--- a/src/lib/subs/sect.c
+++ b/src/lib/subs/sect.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1989
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2004-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/ship.c b/src/lib/subs/ship.c
index 3e9462bb..3811374e 100644
--- a/src/lib/subs/ship.c
+++ b/src/lib/subs/ship.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1989
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2004-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/snxtsct.c b/src/lib/subs/snxtsct.c
index 39e6f87e..c492ef70 100644
--- a/src/lib/subs/snxtsct.c
+++ b/src/lib/subs/snxtsct.c
@@ -29,6 +29,7 @@
  * 
  *  Known contributors to this file:
  *     Dave Pare, 1989
+ *     Markus Armbruster, 2006-2008
  */
 
 #include <config.h>
diff --git a/src/lib/subs/takeover.c b/src/lib/subs/takeover.c
index de66781d..4fd01c6f 100644
--- a/src/lib/subs/takeover.c
+++ b/src/lib/subs/takeover.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1986
  *     Steve McClure, 1996-2000
+ *     Markus Armbruster, 2007-2008
  */
 
 #include <config.h>