H.Res. 355-President's proposal for solar energy credits should be enacted and made retroactive to April 5, 1979 Ottinger, Box: 161, Folder: 94. Larry Winn Congressional papers, RH MS 717. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/143241 Accessed April 25, 2024.