My current investigations deal with 19th-century prescriptive grammar writing. On prezi.com you can find several of my presentations on the topic, e.g.

The GET-Passive in 19c grammars of English



Prezi-Presentation

I am particularly interested in the question whether prescriptive grammar writing had an influence on actual language use. You can find my answer here:

Measuring the Success of Prescriptivism





























Prezi-Presentation