The international sources cited before can also help you with ethnic research within the United States and Canada for a well-documented ancestry. For some groups, however, the search is a little more complex.
As I described in the Introduction, sometimes you need to search unexpected resources based on other genealogies, history, and, yes, the infamous “family legend.” None of these things alone will solve the challenges of ethnic research, but taken together, they might lead to that one document, vital record, or online resource that solves the puzzle. It worked for Bill Ammons, the success story in the Introduction, and it might work for you, too.
For example, African-American genealogy ...