This journal provides immediate access to some articles. Volume 42(3); March 1956 Astronomy ON COWLING'S THEOREM ON THE IMPOSSIBILITY OF SELF-MAINTAINED AXISYMMETRIC HOMOGENEOUS DYNAMOS PMCID: PMC528226 Biochemistry EQUATIONS TO OBTAIN, FOR EQUILIBRIUM REACTIONS, FREE-ENERGY, HEAT, AND ENTROPY CHANGES FROM TWO CALORIMETRIC MEASUREMENTS PMCID: PMC528227 Geology THE ARRANGEMENT OF ATOMS IN CRYSTALS OF THE WOLLASTONITE GROUP OF METASILICATES PMCID: PMC528228 Mathematics ALGEBRAIC VARIETIES WITH RATIONAL DISSECTIONS PMCID: PMC528229 BINARY CONGRUENCES IN ALGEBRAIC NUMBER FIELDS PMCID: PMC528230 COMBINATORIAL PROBLEMS IN THE THEORY OF GRAPHS. I PMCID: PMC528231 NOTE ON PROJECTIVELY EUCLIDEAN HERMITIAN MANIFOLDS PMCID: PMC528232 PREDICATES, TERMS, OPERATIONS, AND EQUALITY IN POLYADIC BOOLEAN ALGEBRAS PMCID: PMC528233 PROOF OF AN IDENTITY ON JORDAN ALGEBRAS PMCID: PMC528234 A THEOREM ON THE STRUCTURE OF JORDAN ALGEBRAS PMCID: PMC528235 ON INVARIANT SKEW-TENSORS PMCID: PMC528236 REMARK ON KINEMATICALLY PREFERRED CO-ORDINATE SYSTEMS PMCID: PMC528237 ON CONSISTENT ESTIMATES OF THE SPECTRAL DENSITY OF A STATIONARY TIME SERIES PMCID: PMC528238 ON WEYL'S IMBEDDING PROBLEM PMCID: PMC528239 Physiology THE BEHAVIOR IN TRANSPLANT OF LYMPHOCYTIC NEOPLASMS ARISING FROM PARENTAL THYMIC GRAFTS IN IRRADIATED, THYMECTOMIZED HYBRID MICE PMCID: PMC528240 Zoölogy PISCIVOROUS GASTROPODS OF THE GENUS CONUS PMCID: PMC528241 Correction STATISTICAL CORRELATION OF PROTEIN AND RIBONUCLEIC ACID COMPOSITION PMCID: PMC528242 Corrects: STATISTICAL CORRELATION OF PROTEIN AND RIBONUCLEIC ACID COMPOSITION. Proc Natl Acad Sci U S A. 1955 December 15; 41(12): 1011–1019. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||