RAI. Council Meeting attendance books, March 6, 1871 -- Signatures of those attending Anniversary and Special Meetings are also included, March 6, 1871-November 23, 1880 -- Signatures for all meetings missing and presumed destroyed except those for 30 Sep. and 9 Dec. 1971, 1948-1987 -- Signatures for the meetings, February 10, 1972 -- Signatures of those attending the following Committees are also included, October 16, 1900 -- Council Meeting attendance books, December 14, 1880-February 8, 1892 -- Signatures of those attending the following Committees are also included, February 23, 1892-July 10, 1900.