Textual records: While at the Royal Institution, the papers were arranged and bound as 58 volumes and 4 cases or rolls, according to a rough subject classification, with some overlapping. When the Historical Manuscripts Commission of Great Britain published a calendar to the papers, under the title Report on American Manuscripts in the Royal Institution of Great Britain (London, 1904-1909; 4 volumes, indexed), a chronological arrangement was used, giving references to appropriate volumes. The calendar also gave cross-references to the Haldimand papers preserved in the British Museum (Add. MSS. 21661-21892) and to Public Record Office series when particular items were known to exist in several copies., Microfilm: In 1959 a microfilm copy was obtained from Colonial Williamsburg, which had retained positive photostats of the papers. These records no longer follow the arrangement cited in the introduction to the Report (volume 1, pp. vi-ix), having been re-organized while in the New York Public Library, 1930-1935., Photostats: The photostats were bound in 107 volumes, in chronological order, with the accounts organized as a second series to follow the correspondence and petitions. Each item was given a number and the numbers were entered in the margins of a copy of the calendar. This annotated calendar appears on microfilm reels M-341 and M-342.