Numbers 6:21 gives the law for Nazirite vow offerings, which are included alongside festival offerings in this verse.

Numbers 28:10 describes the Sabbath burnt offering, one of the regular offerings that these festival offerings are 'beside'.

Leviticus 7:16-38 provides detailed regulations for freewill and vow peace offerings, mentioned here as additional to festival offerings.

Leviticus 23:2 introduces the 'appointed feasts' that Numbers 29:39 refers to as the context for these offerings.

Deuteronomy 12:6 lists the same types of offerings—burnt, sacrifices, tithes, vows, freewill—as those mentioned here.

2 Chronicles 31:3 records King Hezekiah providing for appointed feasts 'as written in the Law' — a later fulfillment of these instructions.

Isaiah 1:14 condemns hypocritical observance of appointed feasts — a contrast to the proper worship prescribed here.

Leviticus 23:38 uses nearly identical phrasing: 'beside your vows, and your freewill offerings'—directly parallel to this summary.

Leviticus 22:21-23 details what animals are acceptable for vows and freewill offerings—same categories listed here, adding purity rules.

Ezra 3:5 describes post-exilic restoration of offerings at appointed feasts, following this same pattern.

Nehemiah 10:33 includes appointed feasts in the covenant to support temple worship, reflecting this law's requirements.

Ezekiel 46:12 describes the prince's voluntary burnt and peace offerings, matching the freewill offerings category here.

Leviticus 7:11 introduces the law of peace offerings, one of the offering types listed in this summary verse.

Leviticus 23:28 describes the Day of Atonement, one of the set feasts summarised here. Both relate to the festival calendar.

1 Chronicles 23:31 shows Levites handling offerings at appointed feasts, echoing the same sacrificial calendar.

2 Chronicles 31:14 mentions freewill offerings being distributed, one of the offering categories listed here.