A Humble Request for Help

As I steal another day to focus on the book—my deadline is less than two weeks away—I was hoping to ask y'all for a bit of help with a research matter.

Let's say I walked into an American embassy or consulate in the spring of 1978, claiming to have lost my passport while traveling. What identification, exactly, would I have been asked to provide in order to obtain a replacement passport? You have no idea how hard it's been to get a concrete answer to this question. And while I'm sure I could glean what I need from the State Department's archives, I'd rather not invest the time/money in a Bolt Bus trip down to Washington D.C. Fingers crossed that someone in the Microkhan audience can provide a little insight, or at least point me in the direction of a resource I can tap from the comfort of my global headquarters. Thank you in advance for the helping hand.