Albeit the materials as a rule manage the Japanese islands, every compiler has drawn the lines of
the topographical region which his materials cover. In specific cases venture into regions that lie outside Japan
has all the earmarks of being supported by the way that Japanese exploration has been the prevailing examination for these spaces. Subsequently
at least one of the reference indices will cover Japanese materials on Formosa, Korea, Manchuria, and the Mandated Islands.
The configuration is uniform inside every volume. In everyday the name of each creator or compiler is given both
in romanization and characters. The family names are given first and the given names straightaway, as the training is in
Japan. The names of corporate creators, like government workplaces, are given in romanization and characters;
they are then deciphered.