"Watanabe Koan Taiwa" is the record of dialogues of Koan WATANABE (Shigeru Kyuzaburo WATANABE) who was born in Settsu in 1582, extended his pilgrimage to China and India, and died in 1711 at the age of 130; in the dialogue of September 10, 1709 is found a mention of Musashi; the following is that dialogue.
渡辺幸庵（渡辺茂　通称は久三郎、天正10年（1582年）摂津で生まれ唐天竺を巡礼したと称し、宝永8年、130歳？で没）の対話集『渡辺幸庵対話』の宝永6年9月10日の対話を下に記す。