Most of the rest of the information is from various web sources (see the references in the footnotes). One source that might be interesting to others is the Nat

Most of the rest of the information is from various web sources (see the references in the footnotes). One source that might be interesting to others is the National Archives Catalog https://catalog.archives.gov/ https://catalog.archives.gov/ which has a zillion photos. I had to go through hundreds and hundreds of photos, though, to find the ones that I used in the article, photos that showed just the right things. So I hope you all appreciate the photos :-)