Those interested in the history of Gregg Publishing and/or Gregg Shorthand will enjoy perusing The Light-Liner. A few volumes have recently been put online at the Louis A. Leslie Shorthand Collection website, part of Rider University Libraries.
This is a link to Volume 2, numbers 2-8.
The other relevant items can be found by typing light-liner into the search box at the top of that website's pages.
Labels: earlywritings, general, greggwriter