Social surveys
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- Focus of15
- Social surveys -- United States -- Handbooks, manuals, etc
- Social surveys -- Alaska -- Chugach National Forest Region
- Social surveys -- Illinois -- Chicago
- Social surveys -- Asia, Central
- Social surveys -- United States -- History -- 20th century
- Social surveys -- New York (State) -- Bohemia
- Social surveys -- United States -- Software
- Social surveys -- Handbooks, manuals, etc
- Social surveys
- Social surveys -- United States -- Programmed instruction
- Social surveys -- Case studies
- Social surveys -- United States -- Guidebooks
- Social surveys -- Columbia River Region
- Social surveys -- United States
- Social surveys -- Caucasus
- Sub focus of6