121. Add MS 53049 A-V Reference (shelfmark): Add MS 53049 A-V Title: Lord Chamberlain's Plays: March 1866. (Box 170). Collection Area: Western Manuscripts Languages: English Date Range: Mar 1866 Extent: 22 items (21 plays and 1 index).
122. Add MS 53050 A-V Reference (shelfmark): Add MS 53050 A-V Title: Lord Chamberlain's Plays: March - April 1866. (Box 171). Collection Area: Western Manuscripts Languages: English Date Range: Mar 1866-Apr 1866 Extent: 22 items (21 plays and 1 index).
123. Add MS 53051 A-T Reference (shelfmark): Add MS 53051 A-T Title: Lord Chamberlain's Plays: May - June 1866. (Box 172). Collection Area: Western Manuscripts Languages: English Date Range: May 1866-Jun 1966 Extent: 20 items (19 plays and 1 index).
124. Add MS 53052 A-Z Reference (shelfmark): Add MS 53052 A-Z Title: Lord Chamberlain's Plays: July - September 1866. (Box 173) Collection Area: Western Manuscripts Languages: English and Italian Date Range: Jul 1866-Sep 1866 Extent: 26 items (25 plays and 1 index)
125. Add MS 53053 A-P Reference (shelfmark): Add MS 53053 A-P Title: Lord Chamberlain's Plays: September 1866. (Box 174). Collection Area: Western Manuscripts Languages: English Date Range: Sep 1866 Extent: 16 items (15 plays and 1 index)
126. Add MS 53054 A-V Reference (shelfmark): Add MS 53054 A-V Title: Lord Chamberlain's Plays: October 1866. (Box 175) Collection Area: Western Manuscripts Languages: English Date Range: Oct 1866 Extent: 22 items (21 plays and 1 index)
127. Add MS 53055 A-R Reference (shelfmark): Add MS 53055 A-R Title: Lord Chamberlain's Plays: November 1866. (Box 176). Collection Area: Western Manuscripts Languages: English Date Range: Nov 1866 Extent: 18 items (17 plays and 1 index).
128. Add MS 53056 A-AA Reference (shelfmark): Add MS 53056 A-AA Title: Lord Chamberlain's Plays: December 1866. (Box 177). Collection Area: Western Manuscripts Languages: English Date Range: Dec 1866 Extent: 27 items (26 plays and 1 index).
129. Add MS 53057 A-O Reference (shelfmark): Add MS 53057 A-O Title: Lord Chamberlain's Plays: January - February 1867. (Box 178). Collection Area: Western Manuscripts Languages: English Date Range: Jan 1867-Feb 1867 Extent: 15 items (14 plays and 1 index).
130. Add MS 53058 A-X Reference (shelfmark): Add MS 53058 A-X Title: Lord Chamberlain's Plays: March - May 1867. (Box 179) Collection Area: Western Manuscripts Languages: English Date Range: Mar 1867-May 1867 Extent: 24 items (23 plays and 1 index).