Complex sentence: A rabbi in the 12th century records visiting the tomb as reprinted in Elkan Nathan Adler's book "Jewish Travellers in the Middle Ages: 19 Firsthand Accounts".
Split into simpler sentences: A rabbi in the 12th century records visiting the tomb. His account is reprinted in Elkan Nathan Adler's book "Jewish Travellers in the Middle Ages: 19 Firsthand Accounts".