DECIMAL CLASSIFICATION 
658.85 
855 
856 
857 
86 
87 
871 
872 
373 
875 
876 
877 
88 
881 
.882 
883 
884 
89 
Sales Salesmanship 
Display of goods or samples 
Exchanging Rectifying errors 
Approval sistem 
Wholesaling Jobbing 
Retailing 
Department stores 
Mail order houses 
Chain stores 
Commission business 
Brokerage 
Branches Agencies 
Collections 
Cash 
Credit 
Instalments 
Enforcement mesures 
Salesmanship in special business 
For business having special number preferably clast in the number for that 
business, but may be clast here with subdivision for the business like main 
classification 
Specific industries 
Business having special number (e. g. insurance business 368) is preferably 
clast in that number 
91 Mercantil business not having special number 
92—.999 Special material 
May be subdivided like 620-699, e.g. drygoods stores 658.977, or for indexing 
purposes the method of the Institut International de Bibliographie may be 
adopted, i. e. the use of the colon between numbers to show the relation between 
the subjects, e. g. management of a drygoods store 658:677; or an tr’ (for 
relation) may be substituted for the colon, e. g. 6581677; or the 2d number 
may be written below the 1st, e. g. 658 With the last 3 methods, which allow 
677 
for other kinds of business beside those clast in 620-699, the .9 may be omitted, 
since the peculiar form of the combination would bring the material into a group, 
which, according to I1B rules, would be arranged immediately after 658, 
before any of its decimal divisions 
0 
659 Other topics 
Ri Advertizing