B834.  Juyo Token Tobun Rui Mokuroku by the NBTHK.  1999.  2 clothbound volumes in a slipcase, 7 1/2 x 10 1/4″, 980 pages in Japanese.  Juyo Token is a paper awarded by the NBTHK (the organization that runs the National Sword Museum in Tokyo) to swords and kodogu they appraise at shinsa and consider to be important.  These 2 volumes (Koto and Shinto) are an index to the swords that have made the grade from day one in 1956 up to 1999.