1870: Hotz collection: Hong Kong Guangzhou Merchants & Compradore, ca. 1870
1870: Hotz collection: Hong Kong, Pokfulam Water Reservoir, ca. 1870
1870: Hotz collection: Hong Kong, Central Praya, ca. 1870
1870: Hotz collection: Hong Kong Happy Valley Race Course, ca. 1870
1870: Hotz collection: Guangzhou, Kin-Shan ca. 1870
1870: Hotz collection: Mandarin's Wife, by Lai Fong, ca. 1870
1870: Hotz collection: Hong Kong Opium Merchant, by Lai Afong, ca. 1870
1870: Hotz collection: Hong Kong young woman (Tanka?), ca. 1870
1870: Hotz collection: Hong Kong, Central Praya, ca. 1870
1870: Hotz collection: Hong Kong Public Gardens, ca. 1870
1870: Hotz collection: Hong Kong, Victoria Hills and Causeway Bay, ca. 1870
1870: Hotz collection: Two Young Hong Kong women, ca. 1870
1873: Hotz collection: Hong Kong, Chinese Exhibition, 1873
1880: Hotz collection: Hong Kong, Town of Victoria, ca. 1870
1899: Hotz s'Jacob & Co trade registration, Hong Kong Government Gazette, 1899, The Snake Brand
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - two men fishing
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - Nine Chinese Lady Musicians sitting under a tree
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - flowers and fruit
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - dancing man holding a coin
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - flower and butterfly
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - two ladies from Hunan
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - traditional archery
1900: Hotz s'Jacob & Co.: 1900 trade mark registration - woman, man, horse
1917: Holland-China Trading Company: Hong Kong Government Gazette trade registration, 1917
1919: Dutch community in Hong Kong, 1919
1921: Office staff Holland-China Trading Company, Shanghai 1921
1926: Holland China Trading Company (HCHC) in Hong Kong, 1926
2001: Science Museum Road, 尖東