'Feast of Tabernacles' in the Bible

Thou shalt observe the feast of tabernacles seven days, after that thou hast gathered in thy corn and thy wine:

Three times in a year shall all thy males appear before the LORD thy God in the place which he shall choose; in the feast of unleavened bread, and in the feast of weeks, and in the feast of tabernacles: and they shall not appear before the LORD empty:

And Moses commanded them, saying, At the end of every seven years, in the solemnity of the year of release, in the feast of tabernacles,