Notes on full text search in

All content available on is in digitised form. Digital copies may be viewed directly on the platform or downloaded as PDFs.

Additionally, with digital copies showing the label

Full text search available

on the list of results, the full text can be searched. The downloadable PDFs of these documents can also be searched in full text. Full text searches are currently possible for digital versions of documents published in or after 1830 (excluding Gothic type).

Full text search is based on previously completed optical character recognition (OCR). For this purpose, uses ABBYY Fine Reader software.