diff --git a/Headers/gnustep/gui/NSPasteboard.h b/Headers/gnustep/gui/NSPasteboard.h
index 11348ecfe..5e80ae81a 100644
--- a/Headers/gnustep/gui/NSPasteboard.h
+++ b/Headers/gnustep/gui/NSPasteboard.h
@@ -54,6 +54,12 @@ extern NSString *NSTIFFPboardType;
 extern NSString *NSDataLinkPboardType;
 extern NSString *NSGeneralPboardType;
 
+#ifndef STRICT_OPENSTEP
+extern NSString *NSPDFPboardType;
+extern NSString *NSPICTPboardType;
+extern NSString *NSURLPboardType;
+#endif
+
 //
 // Pasteboard Name Globals 
 //
@@ -133,6 +139,9 @@ extern NSString *NSPasteboardCommunicationException;
 - (NSFileWrapper *)readFileWrapper;
 - (NSString *)stringForType:(NSString *)dataType;
 
+@end
+
+@interface NSObject (NSPasteboardOwner)
 //
 // Methods Implemented by the Owner 
 //
diff --git a/Source/externs.m b/Source/externs.m
index 741cfe644..738f8eab3 100644
--- a/Source/externs.m
+++ b/Source/externs.m
@@ -199,6 +199,9 @@ NSString *NSRTFDPboardType = @"NSRTFDPboardType";
 NSString *NSTIFFPboardType = @"NSTIFFPboardType";
 NSString *NSDataLinkPboardType = @"NSDataLinkPboardType";
 NSString *NSGeneralPboardType = @"NSGeneralPboardType";
+NSString *NSPDFPboardType = @"NSPDFPboardType";
+NSString *NSPICTPboardType = @"NSPICTPboardType";
+NSString *NSURLPboardType = @"NSURLPboardType";
 
 // Pasteboard Name Globals
 NSString *NSDragPboard = @"NSDragPboard";