TSK
Treasury of Scripture Knowledge references in ASV.
Six days thou shalt do thy work, and on the seventh day thou shalt rest; that thine ox and thine ass may have rest, and the son of thy handmaid, and the sojourner, may be refreshed.
Thou camest down also upon mount Sinai, and spakest with them from heaven, and gavest them right ordinances and true laws, good statutes and commandments,
Moreover also I gave them my sabbaths, to be a sign between me and them, that they might know that I am Jehovah that sanctifieth them.
And Jesus said unto them, I ask you, Is it lawful on the sabbath to do good, or to do harm? to save a life, or to destroy it?
Wherefore let no one glory in men. For all things are yours;
Let no man therefore judge you in meat, or in drink, or in respect of a feast day or a new moon or a sabbath day: