https://books.google.co.jp/books?id=A-u5afd7jBwC&pg=PA161&lpg=PA161&dq=Boldnesian&source=bl&ots=EiYR9I-lh3&sig=ACfU3U1rnjdP-JaCqlSfkAXLrAgmVRUoBg&hl=ja&sa=X&ved=2ahUKEwi_nNTx4arkAhWRFYgKHV-tD1o4HhDoATACegQICRAB#v=onepage&q=Boldnesian&f=false
