History for Genealogists: Using Chronological Time Lines to Find and Understand your Ancestors, Judy Jacobson, 2009 (It really helps to understand what was going on during the period of your family tree that you are working on)
Owing to the total destruction of the original Bremen passenger lists, the fourth volume of German Immigrants, like the others in the series, is the only practical means of discovering information on 32,000 individuals who departed from Bremen for the port of New York, for whom immigrant origin data was thought to be irretrievably lost.
3rd article in a series: Have you ever found a female family member on the 1880 Census and wanted to trace them forward to learn more? There is a challenge between 1880 and 1900 because the 1890 US Census was almost completely destroyed leaving a 20 year gap between 1880 and the next complete census in 1900; the challenge is greater if you do not know the married name. #genealogy