Subject
- Rogers, R. E. (Robert Empie), 1813-18841
- Sadtler, Samuel P. (Samuel Philip), 1847-19231
- Sadtler, Samuel T.1
- Scales (Weighing instruments)1
- Science--Encyclopedias1
- Science--Experiments1
- Science--Terminology1
- Selenium1
- Sherman, John, 1823-19001
- Smith, J. Jay (John Jay), 1798-18811
- Smith, J. Lawrence (John Lawrence), 1818-18831
- Smith, Lloyd P. (Lloyd Pearsall), 1822-18861
- Spackman, H. E.1
- Spotting (Cleaning)1
- Spruance, William C. (William Corbit), 1873-19351
- Steam, High-pressure1
- Texas--Richland Springs1
- Thomas, Allen C. (Allen Clapp), 1846-19201
- Trees1
- Trusts and trustees1