Creator/Author
- Nogueira, Carlos 2
- Ortiz, Cristina 2
- O’Brien, Mari H. 2
- Parker, Richard Green, 1798-18692
- Peirce, Oliver Beale2
- Pinneo, Timothy Stone, 1804-18932
- Raub, Albert N. (Albert Newton), 1840-19042
- Rich, Joy2
- Richardson, Nathan2
- Rioseco, Marcelo2
- Sage, Michel 2
- Sharp, A. J. (co-collector)2
- Sheldon, E. A. (Edward Austin), 1823-18972
- Skar, Stacey D. 2
- Solano, Silvia E.2
- Solares-Larrave, Francisco 2
- Sousa, Ronald W. 2
- Southworth, Gordon A.2
- Spalding, Elizabeth H. 2
- Tepe, Eric2