I'm going to bring this back up. I am learning the Canadian shorthand terms for my job and British Columbia is written different then I thought (see: greggshorthand.proboards.com/post/4929/thread ). I'm seriously considering changing the outline. Maybe it's that way to distinguish it from others, but it seems odd to me. I'm just wondering what others do and thought so that's why I'm bringing it back up.
"Gregg Shorthand had achieved the most extraordinary success ever attained by any system in the history of shorthand." John Robert Gregg, 1922
About my own short forms: I write Diamond Jubilee, but I've added several short forms from Anni and other editions of Gregg. Some of them are suggested in the Expert Speed Dictation book, but not all are.
Aha! I had an inspiration. Suppose you abbreviate British Columbia as B. C. Pronounce it: "bee-cee". Now write that in shorthand: b as in "be" and s-e as in "see"; hence b-s-e. Strange and unsatisfactory, but I'm guessing this is where this short form came from.