Exodus 29:14 prescribes burning the sin offering bull outside the camp—the exact practice Hebrews 13:11 references for bodies of sacrificial animals.

Leviticus 4:12 adds detail about burning the sin offering outside the camp in a clean place, reinforcing the ritual Hebrews 13:11 cites.

Leviticus 4:16-21 details the congregation's sin offering—blood taken inside, body burned outside—the very pattern Hebrews 13:11 summarizes.

Leviticus 6:30 states sin offerings with blood brought into the sanctuary must be burned, not eaten—the principle behind Hebrews 13:11.

Leviticus 16:27 gives the exact ritual: the bodies of sin offerings whose blood was brought into the sanctuary are burned outside the camp.

John 19:17 describes Jesus bearing his cross to Golgotha outside the city, fulfilling the typology of the sin offering burned outside the camp.

Ezekiel 43:21 describes burning the sin offering outside the sanctuary, mirroring the OT ritual of burning bodies outside the camp referenced here.

In Leviticus 9:11, the flesh and hide of Aaron's sin offering are burned outside the camp — a direct parallel to the burning described here, though for a different offering.