Reporting shortcuts and alternative outlines

I remember years ago there was a post with an attachment showing many alternative forms for words and phrases.  A few examples I can remember are [ta] for “take”, [tan] for “taken”, [u] for “through”.  There was congressional reporter vocabulary as well, and the document looked like it was typed on 8.5 x 11 inch paper.  Is this ringing a bell with anyone?  Is that document still available?  I thought of this when I was reading “20 Shortcuts to Shorthand Speed” by Clyde Blanchard, where he gives examples of different reporter’s notes, and several used the a-dot for “and”.  I’d never seen that before, and I’m interested to know if there are other sources out there with alternative outlines or abbreviated forms that do not appear in the standard 1916 or 1930 dictionaries.  I have referenced “Gregg Reporting Shortcuts” which is replete with many great phrases and phrasing principles, but I was also interested in individual form and outline variations for single words as well.  Any help or references on this would be greatly appreciated!