Science in progress. Milles,Walter R. Science Periodicals. Research Periodicals. Research Periodicals. Science Periodicals. Q171 .S582 500 MIS SERBIB/SERLOC merged record Vols. for <1964-> contain national lectureships of the Society of Sigma Xi and the Scientific Research Society of America. New Haven, Yale University Press. 1938 Text Collection 16 v. eng Mrs. Hepsa Ely Silliman memorial lectures Science in Progress Vol. 6: Silliman lectures Mrs. Hepsa Ely Silliman memorial lectures. Mrs. Hepsa Ely Silliman memorial lectures Also issued online. Also issued online.