[Non-Sequitur]

One could add Indiana (even as late as 1862) or Delaware (1811) to the list of states that prohibited black immigrants.

As well as Virginia (1865), Florida (1865), Mississippi (1865), etc., etc.

[4CJ]

So? 30 states had laws prohibiting the mixing of the races by marriage on the book up into the 1950's and 60's:

Alabama, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Idaho, Indiana, Kentucky, Louisiana, Maryland, Mississippi, Missouri, Montana, Nebraska, Nevada, North Carolina, North Dakota, Oklahoma, Oregon, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia and Wyoming.