In addition to the principal accessions of the year, the following reports contain also special lists: 1911/12, Printed business papers, 1766-1788; 1912/13, Manuscript maps, 1511-1781; 1919/20, Books printed, 1477-1599, "which have been added to the library in the fiscal year 1919-1920 and which do not appear in the printed catalogue."