Linked from
The 9 pages that link to Incense trade, each with the reason it gives.
IncenseNarrower topic: Incense has long linked producers of resins and woods with distant consumers.
Nabataean KingdomRelated: Caravans carrying luxury aromatics enriched Nabataean cities and rulers.
NabataeansRelated: Nabataean routes carried valuable incense toward Mediterranean markets.
CenserRelated: Trade routes spread incense and the vessels used to burn it.