Letters received prior to November 30, 1979, commenting on 
NIH Guidelines 239 
Recombinant DNA Research; Final Plan For a Program To Assess the 
Risks of Recombinant DNA Research 385 
Federal Register announcement (November 1, 1979) of actions to be 
considered at RAC meeting 390 
Minutes of RAC meeting, December 6-7, 1979 394 
Federal Register notice (January 17, 1980) promulgating actions . . . 429 
Letters commenting on Guidelines as proposed November 30, 1979. . . . 435 
Index of letters 645 
vi 
