1. Carl Koch aka Carl J. Koch (b. 6/16/45) wrote 150 Opening and Closing Prayers.
2.Carl Koch (fl. 1937) wrote Der römische Juppiter.
3. C. (Carl) C. Koch wrote Structural Nanocrystalline Materials: Fundamentals and Applications .
4, Koch, Carl 1912- wrote At Home with Tomorrow.
5. Carl (or Karl) Koch (German film maker and photographer b. 30 July 1892) wrote The Large Format.
6) Koch, Carl 1860- wrote Fuglen Føniks.