Also where I can get his Passenger Arrival Certificate?

I know, but I would like to have it for my records and I think that the number that was added to it may help me find the "first papers" that I couldn't find before. I am sure his name was "Filippo Augusta" because I have his birth certificate, and I also have family in Sicily that spell there last ...

Is there a difference between a passenger manifest and a certificate of arrival? If so, how do I order a certificate of arrival? The manifest I can order from The NY Archives, but the certificate?

How would I go about finding his Petition for Naturalization? It is not with the USCIS.

Hello, my Great Great Grandfather entered into the US on Nov 26 1902 on the SS Gallia under the name "Filippo D'Augusta." Of course that is not his name but it is close enough. I found his passenger arrival record on Ellis Island's website. Do I need to order a copy of this for my application for ...