The 596 MB .ZIP file (created using 7-Zip) contains four .PDF volumes. The 1.98 MB .ZIP file (created using 7-Zip) contains four .TXT files derived from OCR using ABBYY FineReader software (2007). The .TXT files contain plain text in UTF-8 encoding. Two Microsoft Excel workbook files in .XLSX (2010 version) and .XLS (1997 – 2003 version) format contain metadata about the digitised volumes. The British Library shelfmark is 'C.55.i.1'. More information is available on the catalogue (digital version).