1896: Holland China Syndikaat, founding document, 1896, p. 2/3
1896: Holland China Syndikaat, founding document, 1896, p. 1/3
1896: Holland China Syndikaat, founding document, 1896, p. 3/3
1903: Official deed Holland-China Trading Company installing W. Kien as representative, 1903
1903: Holland-China Trading Company: 1903 founding document
1903: Official deed Holland-China Trading Company installing W. Kien as representative, 1903
1960: Holland-China Trading Company: 1960 stamp Photostat, Hong Kong Photocopy Service