Subject
- Agriculture -- Economic aspects -- Mathematical models2
- Amorphous semiconductors2
- Gallium compounds2
- Indium compounds2
- Thin film transistors2
- United States. Patient Protection and Affordable Care Act2
- Water resources development -- Northwest, Pacific2
- Academic achievement -- United States1
- Adult education -- Indiana1
- Adult education -- New Mexico1
- African American dropouts -- Prevention -- United States1
- African American football players -- United States1
- African American male college students -- Services for -- United States1
- African American male college students -- United States1
- Air -- Pollution -- Experiments1
- Alaska Natives -- Health and hygiene1
- Alaska Natives -- Health and hygiene -- Economic aspects1
- Alaska Natives -- Medical care1
- Alaska Natives -- Medical care -- Economic aspects1
- Alumina cement1