Most national data sets on teacher compensation derive from occasional surveys.

Occasional surveys turn up; but no major museum has touched this material in an in-depth way.

Investment Intentions Occasional surveys include:

- Hands On Know How - a long-term occasional survey (in b/w) of tools, machinery, manufacturing, fabrication, craftwork, and artisanship; a continuing meditation on the instruments used by deft and skillful individuals who can and do still make things.