香港西藥業史 = A history of Hong Kong pharmacy and pharmaceutical market
街角的藥妝龍頭 : 超級零售勢力屈臣氏的崛起與挑戰 = Watsons
街角的藥妝龍頭 超級零售勢力屈臣氏的崛起與挑戰 / [電子資源] :
香港傳媒五十年 Hong Kong mass media over the last 50 years / [電子資源] =
香港報業雜談 Random talk on Hong Kong newspaper industry / [電子資源] =
九龍城寨簡史 = A concise history of Kowloon walled city
戰前香港電訊史 A history of telecommunication in pre-war Hong Kong / [電子資源] =