Yes or no for each one; what might be considered a valid source for online research.
the National Archives, a weblog of a guy who describes himself as a history nerd, a Wikipedia article, a weblog of a college history professor about her area of specialty, a org website that was last updated in 2008, a com website with its own store, a gov website, a website with claims that you can't verify at another source
Yes: the National Archives, a weblog of a college history professor about her area of specialty, a gov website.
No: a weblog of a guy who describes himself as a history nerd, a Wikipedia article, an org website that was last updated in 2008, a com website with its own store, a website with claims that you can't verify at another source.