(035117) Engelhardt, H. Tristram, and Callahan, Daniel, editors. Knowing And Valuing: The Search For Common Roots. Hastings-on-Hudson: Hastings Center, 1980. 1st Edition. Paperback. 8vo. 286 pages. Fine with no DJ. Foundations of Ethics and its Relationship to Science, Volume IV ISBN: 0916558045 (Science And Ethics)
