Deletion of Townsend Letter

Comment: A quick search of Web of Science finds only two instances where the Townsend Letter was cited in the professional literature.  PubMed comes up empty.  Alexa ranking is very poor (686,796 worldwide).  None of these necessarily requires deletion, but they all point to a lack of notability.  I worry there is not sufficient |reliable and independent coverage to allow inclusion.  On the converse, it is a long-standing publication with a http://www.townsendletter.com/MediaKit.pdf claimed circulation of about 10,000.  I would be inclined to keep if there were some coverage of the publication, outside of itself and a brief mention on Quackwatch
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS)