KnowraCoal tarLinked fromLinked fromThe 24 pages that link to Coal tar, each with the reason it gives.All 24Broader topic 1Related 17Narrower topic 3Compared with 3BitumenCompared with: It was once used in paving but is not the same material as bitumen.Friedrich BergiusCompared with: Unlike coal-tar recovery, Bergius’s method chemically added hydrogen to coal.Pine tarCompared with: Coal tar is a separate source of tar, with a different chemical composition and medical history.