Smith, Rev. Frederick, [99]

Sidh, [44], [61]

Sidis, [61]

Silva Gadelica, [32], [44], [61]

Souterrains, [6]-[8], [16], [30], [31], [36]-[41], [86], [87]

Spy, men of, [12], [13]

Staffa, [50]

Stone circles at Aghlish, [97]

Stranocum, souterrain at, [8]

Sweeney, John, [82]