Study analyzing changes in shorthand use during employment, 1966

http://www.eric.ed.gov:80/ERICDocs/data/ericdocs2sql/content_storage_01/0000019b/80/38/30/eb.pdf

I found the regional differences in use interesting, and the conclusions and recommendations.

I was disappointed that only Simplified and DJS were included in the study, as I would like to know how those using Anniversary kept to the principles and rules.