| RefNo | Title | Source |
| DF/TM/1/32/22 | Correspondence B: Brunn; Buckle; Burn | |
| DF/TM/1/28/20 | Correspondence L: Loës; London and North Western Railway; Lorent; Sampson Low & Co | |
| DF/TM/1/21/14 | Correspondence L: Liverpool Municipal Offices; London and North Western Railway; Longley; Lorent | |
| DF/TR/1/1/32/303 | London and Northwestern Railway | |
| DF/TR/1/1/34/308 | London and North Western Railway | |
| DF/TR/1/1/30/326 | London and North Western Railway | |
| DF/TM/1/36/12 | Correspondence L: Leyton National Schools; Lloyd; Lodge; London and North Western Railway; Longmans, Green & Co | |
| DF/TM/1/44/10 | Correspondence L: Lindley; Ling; Lipinitz; Liverpool Municipal Offices; London and North Western Railway; Lord; Lorent | |
| DF/TR/1/1/27/346 | London and North Western Railway | |
| DF/TR/1/1/28/361 | London and North Western Railway | |
| DF/TM/1/51/5 | Correspondence L: London and North Western Railway; Lorent | |
| DF/TM/1/14/13 | Correspondence L: London and North Western Railway; Lorenz; Lowe; Lumsden | |
| DF/TR/1/1/29/403 | London and North Western Railway | |
| DF/TR/1/1/26/336 | London and North Western Railway | |