Grosart died in 1899 and the proposed edition was never completed.

However, Hahnemann died before the new, 6th edition could be completed for publication.

The original expectation was that new editions would be completed every 5-10 years to replace older studies.

The first edition of the two scales was completed by the 1890s.

The fifth edition was completed in 2007 with 27 volumes.

Subsequently eight more editions have been successfully completed till 2013.

The fourth edition had been completed before his death and was published posthumously.

Some editions have been completed and will soon be available in bookstores.

The second edition was therefore prepared beginning in 1980 and completed in 2009.

Bell died in 1809, and the 4th edition was completed the next year.