The recording of ships' passenger lists was not required by law until 1819, and prior to that date only scattered lists of immigrants are thought to exist--until now, that is, for we have in this publication a record of thousands of British immigrants who arrived in the United States mainly between 1790 and 1812 and who had not yet been naturalized, and concerning whom few other records can be found. This is an altogether new and invaluable list of...