The primary guide and the general subject folder labels are the same in a subject encyclopedic arrangement.​

What is a good location to keep a printed copy of a master index for quick reference?​

The subject dictionary arrangement includes main subject titles and subdivisions on folder captions.​

One way to expand subject files is to 

Geographic records management is a method of storing and retrieving records arranged by geographic location using alphabetic or numeric order.​

The geographic arrangement can be as simple as a file of city streets or countries of the world.​

A disadvantage of filing by subject is that main subject titles and subdivision titles may overlap.​

A detailed listing of an organization’s records that includes the types, locations, dates, volumes, equipment, classification system, and usage data is a

At the end of the story, Aylmer . . . 

A general subject folder is necessary when records are filed by the main subjects and subdivisions.​