Columbia subject headings:
Mountains--Asia, Central--Description and travel.
Semenov-Ti︠a︡nʹ-Shanskiĭ, Petr, 1827-1914--Travel--Tien Shan.
Tien Shan--Description and travel.
Harvard subject headings:
Mountains--Asia, Central--Description and travel.
Semenov-Ti︠a︡nʹ-Shanskiĭ, Petr, 1827-1914
Tien Shan--Description and travel.
Princeton subject headings:
Mountains--Asia, Central--Description and travel.
Semenov-Ti︠a︡nʹ-Shanskiĭ, Petr, 1827-1914--Travel--Tien Shan.
Tien Shan--Description and travel.