Columbia subject headings:
Libraries--Space utilization.
Libraries--Special collections--Nonbook materials.
Library materials--Storage.
Shelving for nonbook materials.
Harvard subject headings:
Libraries--Space utilization
Libraries--Special collections--Nonbook materials
Library materials--Storage.
Shelving for nonbook materials.
Princeton subject headings:
Libraries--Space utilization.
Libraries--Special collections--Nonbook materials.
Library materials--Storage.
Shelving for nonbook materials.