This journal provides immediate access to some articles. Volume 13(1 Pt 2); January 1927 Publications of the National Academy of Sciences and National Research Council Part I. Proceedings of the National Academy of Sciences: A-L PMCID: PMC1085303 Part I. Proceedings of the National Academy of Sciences: M-Z PMCID: PMC1085304 Part II. Other Publications of the Academy PMCID: PMC1085305 Part III. List of Publications of the National Research Council and Its Fellows and Partial List of Papers Having Their Origin in the Activities of Its Committees to January 1, 1926: Part I PMCID: PMC1085306 Part III. List of Publications of the National Research Council and Its Fellows and Partial List of Papers Having Their Origin in the Activities of Its Committees to January 1, 1926: Part II PMCID: PMC1085307 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||