The majority of these letters and papers relate to Dr Samuel Hibbert-Ware. The collection was originally bound in thirty-five numbered volumes, but volumes 1 (to 1796) and 16 (January-July 1830) are now missing. As follows:
- Eng MS 990 (volume II) 1796-1804: 71 items;
- Eng MS 991 (volume III) 1804-1809: 135 items;
- Eng MS 992 (volume IV) 1808-1814 [sic]: 175 items
- Eng MS 993 (volume V) 1813-1817: 158 items;
- Eng MS 994 (volume VI) 1817-1820: 137 items;
- Eng MS 995 (volume VII) 1821-1822: 112 items;
- Eng MS 996 (volume VIII) 1823: 60 items;
- Eng MS 997 (volume IX) 1824: 72 items;
- Eng MS 998 (volume X) January-July 1825: 68 items
- Eng MS 999 (volume XI) August-December 1825: 60 items;
- Eng MS 1000 (volume XII) January-May 1826: 35 items;
- Eng MS 1001 (volume XIII) May-December 1826: 40 items;
- Eng MS 1002 (volume XIV) 1827: 66 items;
- Eng MS 1003 (volume XV) 1828-1829: 79 items;
- Eng MS 1004 (volume XVII) July-December 1830: 38 items;
- Eng MS 1005 (volume XVIII) January-June 1831: 48 items;
- Eng MS 1006 (volume XIX) June-December 1831: 47 items;
- Eng MS 1007 (volume XX) January-June 1832: 51 items;
- Eng MS 1008 (volume XXI) June-December 1832: 56 items;
- Eng MS 1009 (volume XXII) 1833: 100 items;
- Eng MS 1010 (volume XXIII) January-June 1834: 58 items;
- Eng MS 1011 (volume XXIV) June-December 1834: 59 items;
- Eng MS 1012 (volume XXV) January-April 1835: 38 items;
- Eng MS 1013 (volume XXVI) May-August 1835: 62 items;
- Eng MS 1014 (volume XXVII) September-December 1835: 35 items;
- Eng MS 1015 (volume XXVIII) January-June 1836: 39 items;
- Eng MS 1016 (volume XXIX) July-December 1836: 42 items;
- Eng MS 1017 (volume XXX) 1837: 68 items;
- Eng MS 1018 (volume XXXI) January-September 1838 : 98 items;
- Eng MS 1019 (volume XXXII) October 1838-May 1839: 45 items;
- Eng MS 1020 (volume XXXIII) June-December 1839: 68 items;
- Eng MS 1021 (volume XXXIV) 1840-1844: 92 items;
- Eng MS 1022 (volume XXXV) 1845-1849: 93 items.