-----------------NASL Google Timeline, lots of good documents to be found under this lesser known google feature
-Excellent, excellent NASL resource for old photos, documents, game guides, etc...
-Mountains of fan journals on old NASL teams. Here is a very good one, Tampa Bay Rowdies. "Soccer is a kick in the Grass."
-Pretty comprehensive book list on the NASL here.
-Note for Smitty: Unlucky: A Season of Struggle in Minor League Professional Soccer. An insightful account of the struggles of players of the 3rd division Northern Virginia Royals of the USL (1998)
