| RefNo | Title |
| DF/TM/1/66/11 | Correspondence S: Sampson; Sampson Low; Saunders |
| DF/TM/1/28/20 | Correspondence L: Loës; London and North Western Railway; Lorent; Sampson Low & Co |
| DF/TM/1/30/12 | Correspondence S: Salvadori; Sampson; Santorius; Santhomas; Savin; Schaus; Sceffer |
| DF/TR/1/1/24/386 | Sampson Low Marston & Company Limited |
| DF/TM/1/15/18 | Correspondence S: Salvin; Sampson; Savin |
| DF/TM/1/23/1 | Correspondence S: Sachse; Salvadori; Salvage; Salvin; Sampson; Saunders |
| DF/TM/1/36/14 | Correspondence L: Sampson Low; Lucas; Ludwig; Lumsden; Lunt |
| DF/TM/1/38/14 | Correspondence S: Salvin; Sampson; Sardley; Saunders |