Straits Settlements Blue Book (imports/exports)  s1911-1912 vol. 56-57  [microform] : 

 - Great Britain :  Public Record Office,  1971 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/> Mengandungi'Statement of the quantities and value of imports and exports of the colony of the Straits Settlements from and to other countries in 1910 and 1911';'Blue Book for the year 1912'.