| Reference number | NLB/45/692 |
| Alternative reference number | NLB/45 p416 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons, Advertisement Department |
| Date | 24 April 1912 |
| Description | 'Please insert the accompanying Mackinnon Studentships advertisement in the next issue of "Nature", and the following week also.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |