This drawing captures a scene many of our ancestors witnessed - the courthouse in Philadelphia where they signed the "Oath of Allegiance".
You can find a complete list of immigrants arriving in the index shown here. Once you've located a name of interest, choose the corresponding volume here:
Alternate link: https://archive.org/stream/pennsylvaniagerm44stra#page/257/mode/1up
Source: "Pennsylvania German Pioneers", by Ralph Beaver Strassburger, 1934.