Subject
- Burning of land -- Coast Ranges -- History1
- Burning of land -- Oregon, Western -- History1
- Central America -- Foreign relations -- United States -- 20th century1
- Communication in politics -- Technological innovations1
- Dunn, L. C. (Leslie Clarence), 1893-1
- Egypt -- History -- Protests, 2011-1
- Forest fires -- Coast Ranges -- History1
- Forest fires -- Oregon, Western -- History1
- Geneticists -- United States -- Biography1
- Indians of North America -- Fire use -- Coast Ranges1
- Indians of North America -- Fire use -- Oregon, Western1
- Internet -- Political aspects -- Egypt1
- Landscape -- Oregon -- Willamette River Valley -- Sociological aspects1
- Landscape archaeology -- Oregon -- Willamette River Valley1
- Microblogs -- Political aspects -- Egypt1
- Online social networks -- Political aspects -- Egypt1
- Revolutions -- Technological innovations -- Egypt -- 21st century1
- Social media -- Political aspects -- Egypt1
- Social movements -- Egypt1
- Twitter -- Political aspects -- Egypt1