- Sheet Metal Technology
- Practical Sheet Metal Layout: Round Fittings Used Today Including Methods and Techniques of Fabricating Round Work
- Practical Sheet Metal Layout: Fittings Used Today That Require Triangulation Including the Theory of Triangulation
- Today's 40 Most Frequently Used Fittings, Volume 2: With over 400 Pages of Shop and Field Information
- Practical Sheet Metal Layout: Today's Forty Most Frequently-Used Fittings
- John Harold Haynes
- National Fire Protection Association (NFPA)
- Delmar Thomson Learning
- Russell E. Smith
- Haynes Publishing
- Mike Stubblefield
- James A. Heintz
- Robert W. Parry Jr.
- William K. Langdon
- Bill Libby
- Dermot McGuigan
- William Morris Davis
- Robert Dries
- NCCER
- Michael A. Pugliese
- Anthony Lawrence Kohan
- Bill Langdon