I bought the Hatch/Redpath concordance to the Septuagint set a little while ago. I have looked everywhere, and can't find a key to all the abbreviations and what they mean. The preface is of very little help too. Can anybody provide me with info?
One place to start would be with the first edition of the work, which is available on Wikimedia Commons (only the 2nd volume and supplement are on Google Books). From what I can tell, the second edition closely follows the first, so the list of abbreviations and symbols (found in the supplement) should be helpful: