Nice deed you are doing. The genealogy is a big puzzle where
all the pieces have to fit, so yes, it is like connecting the dots.
http://www.archives.gov/research/naturalization/naturalizati...http://www.genealogybranches.com/naturalization.htmlMaybe a mistake and he was not naturalized so in that case an Alien Registration Form since he
lived pass 1940 and not naturalized.