"Thirty-two years ago ... [the author] published 'A sketch of Semitic origins, social and religious' ... After thirty years more of continuous researc...
"Thirty-two years ago ... [the author] published 'A sketch of Semitic origins, social and religious' ... After thirty years more of continuous research in the field, he has again put together the results of his studies ... [and] he finds that he has abandoned most of the important theories which he advocated thirty years ago."--Pref.