Siebengebirge

Siebengebirge, a range of hills on the right bank of the Rhine, 20 m. above Köln, distinguished by its seven high peaks.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Sidon * Siegfried
Sicyon
Siddons, Sarah
Sidereal Year
Sidgwick, Henry
Sidlaw Hills
Sidmouth
Sidmouth, Henry Addington, Viscount
Sidney
Sidney, Sir Philip
Sidon
Siebengebirge
Siegfried
Siemens, Werner von
Siemens, Sir William
Sienna
Sierra
Sierra Leone
Sierra Madre
Sierra Morena
Sierra Nevada
Sieyès, Abbé