“Solar Energy for Health Care Institutions,” US Dept. of Health, Education, and Welfare

“Solar Energy for Health Care Institutions,” US Dept. of Health, Education, and Welfare, Box: 68, Folder: F285. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/90618 Accessed July 27, 2024.