- C. Robbins 428
- R. Stewart & C. Robbins 17
- C. Robbins & Tallman 9
- Chandler S. Robbins | Robbins, Chandler S. 3
- Robbins, C.; Robbins,C. 3
- R. Overington & C. Robbins 3
- Chandler Robbins 2
- Robbins, Chandler S 2
- Collector(s): Chandler S. Robbins; Preparator(s): Dale A. Zimmerman 2
- Chandler S. Robbins 2
- C. S. Robbins 2
- B. Ross, J. Stasz & C. Robbins 2
- Chandler Robbins Jr. 1
- C S. Robbins 1
- ROBBINS, C.S. 1
- C. Robbins & E. Kridler 1
- S. Levy & C. Robbins 1
- C. Robbins & D. Mendinhall 1
- C. Robbins & R. Stewart 1
- C. Robbins & R. Bounds 1
- ROBBINS, C 1