Sijera
Sijera Leone
Specijalni sud za Sijera Leone
Pasoš Sijera Leonea
Grb Sijera Leonea
Zastava Sijera Leonea
Sierra View, Pennsylvania
Epidemija kolere u Sijera Leoneu 2012.
Lista gradova u Sijera Leoneu
Alta Sierra, California
Sierra Madre, California
Sierra Village, California
Sierra Brooks, California
Sierra City, California
Sierra Vista, Arizona
Sierra Blanca, Texas
Sierra Vista Southeast, Arizona
Sierra County, New Mexico
Sierra County, California
High Sierra (film)
The Treasure of the Sierra Madre (film)