of universities = A180.760
Universities = A180 [schedules]
Economics = .760 [Categorical Table]
Economics of musical competitions = C798.760
Musical competitions = C798 [schedules]
Economics = .760 [Categorical Table]
These synthetic notations provided more flexibility than any classification of its time (except UDCCategorical Table numbers added to any notation from the schedules, e.g. …
Economics , which had the same auxiliary tables for synthesis it has now)