“…Research compiled by Mason [13], Yung and Chan [14], de la Torre [11], Doğan [15], Chen and Li [16] and Olukoya [17] formed the basis for Table 1. In this quantitative overview, 37 leading sources from the turn of the twentieth century were classified in terms of the following value typologies: 1) spiritual/religious, 2) cultural/symbolic, 3) social/community, 4) political, 5) anthropological (archaeological and environmental), 6) typological/townscape, 7) contextual, 8) historic, 9) rarity, 10) prestige/legacy, 11) commemorative, 12) aesthetic/artistic, 13) architectural, 14) scientific/structural, 15) technical/constructional, 16) economic, 17) option, 18) use, 19) tourism, 20) evidential, 21) educational, 22) newness, 23) ecological/landscape, and 24) authenticity.…”