| Reference number | NLB/4/262 |
| Alternative reference number | NLB/4 p114 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to Messrs Dulau & Company |
| Date | 1 April 1890 |
| Description | 'Can you get us quickly for use by a Committee Professor Stilling's book "Über das Sehen der Farbenblinden", published by Thieme of Leipsic?' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |