A Google user
Published 1880 A.D. , this 238-page book is mostly the Tables mapping Era-years to 'western' years, _up to 1873 A.D._; but also includes Preface material (pages 2 through 50 [digital pages 014 through 067]), such as an essay.
Note: Google Books copy (Book ID = 9jKgVty_XFoC):
* PDF-download-file ('Japanese_chronological_tables.pdf') is 6.7 MB ( 7.1 million bytes). [ --LRM Jan 2010 ]