Sierra Madre

Sierra Madre, the main cordillera system of Mexico, extending in a northerly direction to Arizona, and forming the western buttress of a fertile plateau stretching eastwards; to the W. the States of Sinaloa and Sonora slope downwards to the sea.

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

Sierra Leone * Sierra Morena
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
Sigismund
Sigismund
Signorelli, Luca
Sigourney, Mrs.
Sigurd
Sikhs
Sikkim