Introduction / by G.T. Seaborg -- The chemistry of actinium / by F.T. Hagemann -- Nuclear properties of uranium, protactinium, and thorium isotopes / by L.I. Katzin -- The chemistry of thorium / by L.I. Katzin -- The chemistry of protactinium / by R.E. Elson -- The chemistry of uranium / by H.R. Hoekstra and J.J. Katz -- Nuclear properties of the plutonium isotopes / by G.T. Seaborg -- Oxidation states, potentials, equilibria, and oxidation-reduction reactions of plutonium / by R.E. Connick -- Ionic and molecular species of plutonium in solutions / by J.C. Hindman -- Preparation and properties of the compounds of plutonium / by B.B. Cunningham -- Nuclear properties of the neptunium isotopes / by G.T. Seaborg -- The chemistry of neptunium / by B.B. Cunningham and J.C. Hindman -- Nuclear properties of the transplutonium nuclides / by G.T. Seaborg -- The chemistry of the transplutonium elements / by L. Perlman and K. Street Jr. -- Radiochemical separation of the actinide elements / by E.K. Hyde -- Radiochemical assay by alpha and fission measurements / by A.H. Jaffey -- Correlation of properties as actinide transition series / by G.T. Seaborg -- Crystal chemistry of the 5f elements / by W.H. Zachariasen -- Optical properties of some compounds of uranium, plutonium, and related elements / by E. Staritzky and A.L. Truitt -- Slow-neutron and spontaneous-fission properties of heavy nuclei / by J.R. Huizenga, W.M. Manning, and G.T. Seaborg.