v. 1. Magnetic ions in insulators, their interactions, resonances, and optical properties.--v. 2A. Statistical models, magnetic symmetry, hyperfine interactions, and metals.--v. 2B. Interactions and metals.--v. 3. Spin arrangements and crystal structure, domains, and micromagnetics.--v. 4. Exchange interactions among itinerant electrons, by C. Herring.--v. 5. Magnetic properties of magnetic alloys edited by H. Suhl.