Notes on verification

Confirmed by publisher's own product page and independent bookseller/library catalog entries (Kinokuniya, CiNii), all describing the same index feature. [tier=silver indep_score=0.525 clusters=3 claim_tier=everyday | framework convergence=partial (upstreams: 美術出版社 (Bijutsu Shuppansha, the publisher), CiNii (National Institute of Informatics library catalog)) — publishers independent, evidence may not be | kind=empirical eligibility=high (extractor: attributed/medium)]