diff --git a/Cantera/cxx/include/radiation.h b/Cantera/cxx/include/radiation.h
new file mode 100644
index 000000000..b48640c6e
--- /dev/null
+++ b/Cantera/cxx/include/radiation.h
@@ -0,0 +1,8 @@
+#ifndef CT_RAD_H_INCL
+#define CT_RAD_H_INCL
+
+#include "kernel/rotor.h"
+#include "kernel/LineBroadener.h"
+//#include "kernel/AbsorptionLine.h"
+
+#endif
diff --git a/Cantera/cxx/include/spectra.h b/Cantera/cxx/include/spectra.h
new file mode 100644
index 000000000..58ccdac61
--- /dev/null
+++ b/Cantera/cxx/include/spectra.h
@@ -0,0 +1,8 @@
+#ifndef CT_SPECTRA_H_INCL
+#define CT_SECTRA_H_INCL
+
+#include "kernel/LineBroadener.h"
+#include "kernel/rotor.h"
+//#include "kernel/AbsorptionLine.h"
+
+#endif