Engineering drawing and designCecil H. Jensen, Jay D. Helsel, Dennis Short · First published 1996 · Latest edition 2007Open the Tome
Mechanical Drawing Board & CAD Techniques, Student EditionThomas E. French, Jay D. Helsel, Thomas French, Jay Helsel · First published 2002Open the Tome
Engineering Draw Fundamental Version 2002Jay D. Helsel, Dennis Short, Cecil H. Jensen · First published 2001Open the Tome
Engineering Drawing and DesignJay D. Helsel, Dennis Short, Cecil H. Jensen, Sharon Ferrett · First published 2001Open the Tome
Reading engineering drawings through conceptual sketchingJay D. Helsel · First published 1979Open the Tome