Straits Settlements Blue Book (imports/exports)  1911 vol.55-56  [microform] : 

 - Great Britain :  Public Record Office,  1971 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/> Mengandungi'Blue Book for the year 1911';'Straits Settlements return of imports and exports during the year 1911'.