Definitions for "Controlled Circulation"
The circulation of a magazine that is sent free and addressed to specific individuals who elect to receive the publication.
Trade and technical publications sent free-of-charge to specific groups of readers. Recipients are selected by publishers on the basis of their demographics (job title, industry type etc) and are subject to special audit regulations
Non-paid circulation limited to persons who meet certain qualifications set by the publication. (e.g., job title, type of industry).
Items that are rare, fragile or most likely to be vandalized are not shelved in the general collection but are kept in controlled areas.