To make access easier for US customers of my two-volume publication Index of Japanese Swordsmiths, I uploaded them to Lulu.com. The lower price is because the set is paperback instead of hardcover.

Index of Japanese Swordsmiths A-M

Index of Japanese Swordsmiths N-Z

The eBook of all two volumes in one is available here:

e-Index of Japanese Swordsmiths