Helms, Ludvig Verner. <br/><br/>
Pioneering in the Far East / 
by Ludvig Verner Helms ; with illustrations from original sketches and photographs. 
 - Dawsons :  London,  1969. 
 - 408 p. :  29 plates (1 fold.), illus., maps. ;  22 cm. 
<br/><br/> Reprint of London 1882 ed. 
<br/><br/><label>ISBN: </label>0712903879 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Russian S.F.S.R.--Kola Peninsula.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>East Asia--Description and travel.<br/>California--Description and travel--1848--1869.<br/>White Sea (R.S.F.S.R.)