Mercer Area Library is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Government Offices Local
• Libraries Public
• Library Research & Services

North American Industry Classification System (NAICS) Categories:

• Libraries And Archives > Libraries Services > Library Management & Research Service
• Libraries And Archives > Libraries, Public
• Executive Offices

Standard Industry Classification (SIC) Categories:

• Libraries > Libraries Services > Library Management & Research Service
• Libraries > Libraries, Public
• Executive Offices