to Volume II.- V. Ring Theory.- 17. Modules of Finite Length and their Endomorphism Rings.- 18. Semilocal Rings and the Jacobson Radical.- 19. Quasinjective Modules and Selfinjective Rings.- 20. Direct Sum Representations of Rings and Modules.- 21. Azumaya Diagrams.- 22. Projective Covers and Perfect Rings.- 23. Morita Duality.- 24. Quasi-Frobenius Rings.- 25. Sigma Cyclic and Serial Rings.- 26. Semiprimitive Rings, Semiprime Rings, and the Nil Radical.- Register of Names.