【中西交通史料汇篇】第一册.pdf
中西交通史科酒篇弟一母
PREFACE Itaffordsmenotalittlepleasuretohavebeen chosenbyProfessorChangHsing-langtopresentto ForeignreaderstheworkentitledTheMaterialsforaHlistory of Sino-Foreign Relations.The author has signally honored Doctor Clougherty and myself by dedicating to us this work.
mustbe thoroughly acquaintedwithall.threeelenients in each particular relation,namely,the subject,the term, and the grounds.If we know,for example,only the subject andnot theterm,or viceversa,theterm and not the subject,the whole.relation eludesus. 
