The PDF files here can be downloaded and printed off for your use:
Anatomy of the Acoustic Guitar (labelled diagram)
Anatomy of the Acoustic Guitar with Label Descriptions (diagram and label references)
Anatomy of the Electric Guitar Diagram (labelled diagram)
Anatomy of the Electric Guitar with Label Descriptions (diagram and label references)
Notes on the Guitar Fretboard (diagram with notes on the guitar fretboard from open strings to 15th fret)
Notes on the Guitar Fretboard (right to left) (additional diagram of notes on the fretboard. This works from right – left. The open strings start at the right hand side of the page)
Open Chords #1 (basic open chord diagrams on a single reference sheet for quick glance reminders).
Strings on Guitar & Acoustic Guitar Diagram (diagram with simple explanation and labels)
Strings on Guitar & Electric Guitar Diagram (diagram with simple explanation and labels)
These are free resources I have created so if you would like to use them on your website or to distribute as part of a lesson please credit or link my website.