AIP's 50th Annual Conference: The Next Fifty Years?1967-2017, Washington, D.C., October 1-6, 1967: program summary; papers: "Status of AIP's 50th Year Consultation," by William Ewald; "Concerning the Hypthecation of a Philosophy on which to Build the Future Environment of a Democracy," by William Ewald; "A ?Stand-In' Philosophy for Building the Future Environment of a Democracy," by William Ewald; "Supplementary Projections for 1965-2020," by William Ewald., 1967

AIP's 50th Annual Conference: The Next Fifty Years?1967-2017, Washington, D.C., October 1-6, 1967: program summary; papers: "Status of AIP's 50th Year Consultation," by William Ewald; "Concerning the Hypthecation of a Philosophy on which to Build the Future Environment of a Democracy," by William Ewald; "A ?Stand-In' Philosophy for Building the Future Environment of a Democracy," by William Ewald; "Supplementary Projections for 1965-2020," by William Ewald., 1967, Box: 15, Folder: 33. Carl Feiss papers, 2635. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/370126 Accessed December 25, 2025.