Deletion of Curtis Bros. & Co

Comment: Using an internet search engine created over 40 years after a company closed is the incorrect method of determining notabilty of such company.  That said, even with the dubious availability of hyperlinks, internet research shows it was the subject of multiple non-trivial published works, one from a newspaper when the business closed in the 1960's http://www.rootsweb.com/~iaclinto/people/outlines/prom/curtis_sash.htm and one from a historical book. http://freepages.books.rootsweb.com/~cooverfamily/siouxcity/sioux_20.htm.  (both inserted into article).  These are additional to the work ''History of the Lumber and Forest Industry of the Northwest'' already supplied by an article editor.  Passes the criteria of 
Stance: keep
Cited policy: Wikipedia:Notability (WP:CORP)

Comment: Possible failure of , and I was not able to locate any |reliable sources with which to |verify the validity of the information included within the article
Stance: delete
Cited policy: Wikipedia:Notability (WP:CORP||WP:RS||WP:V)