1. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Proportion of reference types Figure Legend:

2. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Field of references Figure Legend:

3. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Reference year of publication Figure Legend:

4. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Research method classification for analyzed literature Figure Legend:

5. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Methods used in literature to derive design principles Figure Legend:

6. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Sources from which design principles were extracted Figure Legend:

7. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Methods used in literature to validate design principles Figure Legend:

8. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Sources used in literature to validate design principles Figure Legend:

9. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Part of speech word position semantic principle analysis Figure Legend:

10. Date of download: 9/19/2016 Copyright © ASME. All rights reserved. From: Design Principles: Literature Review, Analysis, and Future Directions J. Mech. Des. 2016;138(10):101103-101103-13. doi:10.1115/1.4034105 Quantities by part of speech of first three words in first five sentences for set of design principles Figure Legend: