| RefNo | Title | Source |
| DF/ZOO/200/58/52 | Ritchie, J (Royal Scottish Museum, Edinburgh, Scotland) | |
| DF/MIN/1/47/62 | Ritchie, James | |
| DF/ZOO/200/66/31 | Ritchie, J (Royal Scottish Museum, Edinburgh, Scotland) | |
| DF/ZOO/232/6/12/27/3 | Ritchie, Dr. J | |
| DF/PAL/100/185/14 | Ritchie, James | |
| DF/ZOO/232/6/7/9/3 | Ritchie, J. | |
| DF/ZOO/232/6/8/8/3 | Ritchie, J. | |
| DF/ZOO/232/6/5/6/15 | Ritchie, J. | |
| DF/ZOO/232/6/10/15/3 | Ritchie, Doctor J. | |
| DF/ZOO/252/1/7/37 | Ritchie, James (Edinburgh) | |
| DF/ZOO/252/1/10/6 | Ritchie, James (Edinburgh) | |
| DF/ZOO/252/1/15/31 | Ritchie, James (Edinburgh) | |
| DF/PAL/100/60/138 | Ritchie, J | |
| DF/PAL/100/60/139 | Ritchie, J | |
| DF/PAL/100/60/140 | Ritchie, J | |
| DF/ZOO/232/6/4/1/18 | Ritchie, J. | |
| DF/ZOO/232/6/11/16/5 | Ritchie, James | |
| DF/ZOO/253/2/39 | Totton, Arthur Knyvett: Correspondence, Ritchie, Prof J (Scotland) | |
| DF/ZOO/232/5/11/6/7 | Ritchie, James | |
| DF/ZOO/239/4/1/20 | Cetacea correspondence 1929 | |
| DF/ZOO/239/4/1/19 | Cetacea correspondence 1928 | |