Subject
- African Americans1
- Bacteriology1
- BetzDearborn, Incorporated1
- Brashear, John1
- Converse, William A.1
- Cooney, Jack1
- Corrosion and anti-corrosives1
- Crocker, Irin1
- Crocker, W.1
- Dugo, Ruth Johnson1
- Edgar, William H.1
- Extraction (Chemistry)1
- Extraction apparatus1
- Furnaces1
- Grimberg, Rea1
- Horstmann, F.B.1
- Kazmierzki, Lillian1
- Konigsmark, E.L.1
- Korn, Joe1
- Levicki, Serge1