Some of those look pretty similar to ones I recall making from this book as a child: http://www.amazon.com/Great-International-Paper-Airplane-Book/dp/0671211293

Some of those look pretty similar to ones I recall making from this book as a child: http://www.amazon.com/Great-International-Paper-Airplane-Book/dp/0671211293 http://www.amazon.com/Great-International-Paper-Airplane-Boo...