This journal provides immediate access to some articles. Volume 7(10); October 1921 Mathematics The Average of an Analytic Functional and the Brownian Movement PMCID: PMC1084901 An Integral Equality and its Applications PMCID: PMC1084903 Physics The Evaluation of Quantum Integrals PMCID: PMC1084899 The Further Extension of the Ultra-violet Spectrum and the Progression with Atomic Number of the Spectra of Light Elements PMCID: PMC1084900 Measurements of the Deviation from Ohm's Law in Metals at High Current Densities PMCID: PMC1084902 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||