Brown Bag Forum, 1973-1981

(2105) Brown Bag Forum, Francis Bretherton, speaker, November 28, 1973; (2499) Brown Bag Forum, John Firor, Francis Bretherton, August 14, 1974; (2670) Brown Bag Forum, Francis Bretherton, John Firor, November 14, 1974; (3015) Brown Bag Forum, Francis Bretherton, John Firor, June 18, 1975; (3277) Brown Bag Forum held at Jeffco hangar, John Firor, Francis Bretherton, others, December 10, 1975; (4494) Brown Bag Forum, Employees Lounge, 30th Street, John Firor and Francis Bretherton, March 14, 1978; (4595) Brown Bag Forum, High Altitude Observatory [HAO] classroom, John Firor and Francis Bretherton, May 16, 1978; (4652) Brown Bag Forum, John Firor, Francis Bretherton, June 20, 1978; (5591) Brown Bag Forum, October 20, 1981.