Flying Models Magazine September 1974 V77 NIX R/C Boats Blimp Bishop Carstens

Flying Models Magazine July 1974 No 447 R/C Boat Plan Glen-L Carstens

Flying Models Magazine October 1977 #484 Hanno Prettner R/C Boats Carstens

Flying Models Magazine January 1974 Cherokee Arrow 200 Ziroli Taube Carstens

Flying Models Magazine September 1975 Issue 460 R/C Boats Carstens

Flying Models Magazine November 1979 Vol 82 No 508 RC Aircraft Boating Carstens

Flying Models Magazine FEB 1976 Volume 79 Number II R/C Planes Boats Carstens

Flying Models Magazine February 1980 Waco 10 Corsair R/C Boats Carstens