1 Table of Contents: “... in Iron(II) Complexes. An Introduction -- Magnets Based Upon Electron-Transfer Salts -- Disorder...”

2 Table of Contents: “... Inorganic Clusters: Spin Frustration in Polynuclear Manganese and Iron Complexes -- Exchange Interactions...”

3 Table of Contents: “... of Chromium -- 5. Chain Compounds of Manganese -- 6. Chain Compounds of Iron -- 7. Chain Compounds of Cobalt...”