Schabbat: Sabbathalacha und -praxis im antiken Judentum und Urchristentum - Lutz Doering - Google Books

https://books.google.de/books?id=e4ebYtMqhvIC&pg=PA80

English summary: The sabbath is important as a Jewish 'identity marker'. Lutz Doering investigates sabbath law and practice in Second Temple Judaism and Early Christianity from the Elephantine ostraca until the second Jewish revolt. All available sources…