There is no footnote, however, and no list of watermarks to look for, or an explanation of how to differentiate American-made paper from, say, German or English paper when there is no watermark. Some historical facts given are not quite true. For instance, the Amish broke away from the Mennonites, not the Anabaptists. There are some useful notes on the care of fraktur documents. The Earnests imply, however, that encapsulation, which can be useful, is the same as lamination, which can ruin a fraktur.
Lamination is quite different from encapsulation.
Encapsulation is reversible, while lamination is not. Some of the authors' comments are grating. Four times they say fraktur was made for fun, but on other pages they acknowledge it was made for money. The poorly paid schoolmasters and itinerant scriveners depended on income from fraktur, and certainly the printer printed the fraktur forms because it was profitable. Of course, the makers of fraktur wanted to do a good job, and the artists among them could not help but produce art in the process.