Senate documents, 88th Congress. 30. Senate cloture rule: Limitation of debate in Senate, [by George B. Galloway], Legislative Reference Service, Library of Congress [revised Aug. 12, 1963]; and Legislative history of pars. 2 and 3 of Standing rules of Senate (Cloture rule), [by John M. Reynolds], Office of Legislative Counsel, Senate [Aug. 9, 1963].