The attached table offers a multi-layered classification of social-professional occupations of Peking Rotarians in 1937. The correspondence table contains: 

• a gross classification reduced to three broad categories (middle managers, trade and business owners, professionals and senior executives), so as to enable cross-analyses and comparisons across space and time (CSP_1)
• a more refined typology, closer to the original, so as to better render the complex structure of Rotarians' occupations (CSP_2)
• the original list of occupations, as given in the original source (1937 roster) (CSP_name)