His blog (go there first): http://georgelakoff.com/blog/

On You Tube: https://www.youtube.com/results?search_query=%22George+Lakoff%22

Many PDFs of papers and excerpts http://english6.net/download.php?id=19302

http://www.berkeleyside.com/2017/05/02/berkeley-author-george-lakoff-says-dont-underestimate-trump/