Although even in Modern Orthodox circles, there are some Rabbis (e. g., Professor Marc Shapiro) that point out the numerous rabbinic sources from the Talmudic, Post-Talmudic, and medieval ages that claim that there were some changes to the text, which include whole verses, that were made deliberately during the Mishnaic era, and even during the times of the first temple. Professor Shapiro lists the many medieval Rabbis discuss changes and additions that occurred during the time of Ezra the Scribe in his work 'The Limits of Orthodox Theology: Maimonides' Thirteen Principles Reappraised'.