Some suggested references.

Some good modern texts!

• Spin Dynamics : Basics of Nuclear Magnetic Resonance. 2nd ed. Malcolm H. Levitt, Wiley, 2008.
• NMR for Physical and Biological Scientists. Thomas C. Pochapsky and Susan Sondej Pochapsky. 1st ed. New York: Taylor & Francis, Garland Science, 2007.
• Multidimensional NMR in Liquids. Basic Principles and Experimental Methods. F.J.M. van de Ven, VCH, New York, 1995
• Protein NMR Spectroscopy: Principles & Practice John Cavanagh, Wayne Fairbrother, Arthur Palmer, and Nicholas Skelton Academic Press, 2nd ed. 2007.

The Nobel Prize in Chemistry 1991

• Richard R. Ernst - Nobel lecture - Nuclear Magnetic Resonance Fourier Transform Spectroscopy

The Nobel Prize in Chemistry 2002

• Kurt Wuthrich - Nobel Lecture - NMR Studies of Structure and Function of Biological Macromolecules

Basic NMR

• J.K.M. Saunders and B. K. Hunter, Modern NMR Spectroscopy  Oxford University Press, New York, 1993 
  
• Shaw, Fourier Transform NMR Spectroscopy, Elsevier, Amsterdam (1984).
•  Saunders and Hunter, Modern NMR Spectroscopy, Oxford University Press, New York, (1987).
•  Farrar and Becker, Pulse and Fourier Transform NMR, Academic press, New York (1971).

Intermediate and Advanced Treatises

• Carrington and McLachlan, Introduction to Magnetic Resonance, Chapman and Hall, New York (1980).
• Slichter, Principles of Magnetic Resonance, Springer, Berlin (1978).
• Abragam, The Principles of Nuclear Magnetism, Oxford University Press, New York (1961). [also reprinted in paperback]
• Goldman, M. Quantum Description of High-Resolution NMR in Liquids Oxford University Press, (1988) [also reprinted in paperback]

Product Operators and density matrix

• Ernst, Bodenhausen, and Wokaun, Principles of Nuclear Magnetic Resonance in One and Two Dimensions, Clarendon Press, Oxford (1987).
• Sorensen et al, Prog. NMR Spect.,16 163-192.
• van de Ven and Hilbers, J. Magn. Reson. 54, 512-520 (1983).
• Howarth et al, J. Magn. Reson.,.68 433-452 (1986).
• Ziessow, Concepts in Magn. Reson., 2,81-100 (1990).
• Wemmer, Concepts in Magn. Reson., 1, 59-72 (1989).
• Kessler, Angew. Chem. Int. Ed. Engl.,27 1988.
• Shriver, Concepts in Magnetic Resonance, 4 1-33 (1992).

Vector descriptions (reviews)

• Turner, Prog. NMR Spect.,.16, 311-370 (1984).
• Benn and Gunther, Angew. Chem. Int. Ed. Engl., .22, 350-380 (1983).

Phase Cycling

• Bain, J. Magn. Reson..56 418-427 (1984).
• Bodenhausen et al., J. Magn. Reson., 58, 370-388 (1984).

Pure line shape in 2D spectra:

• Keeler & Neuhaus J. Magn. Resn. 63, 454-472 (1985)

Instrumentation, data collection, and processing

• Hoult, Prog. NMR Spect.,.12, 41-77 (1978).
• Lindon and Ferrige, Prog. NMR Spect..14, 27-66 (1980).

Two dimensional NMR

• Bax, Bull. Magn. Res.,.7, 167-183 (1985).

3D and 4D NMR and applications

• NMR Spectroscopy and its Application to Biomedical Research, edited by S. Sarkar, Elsevier(1996).
• A. S. Edison, F. Abildgaard, W. M. Westler, E. S. Mooberry, and J. L. Markley, "Practical Introduction to the Theory and Implementation of Multinuclear,Multidimensional NMR Experiments," Methods. Enzymol. 239, 3-79 (1994).
• Clore, G. M. and Gronenborn, A. M., "Appications of Three- and Four-Dimensional Heteronuclear NMR Spectroscopy to Protein Structure Determination," Prog. NMR Spectros. 22, 43-92 (1991).

Multiple Quantum NMR

• Bodenhausen, Prog. NMR Spect.,.14, 137-173 (1981).

Relaxation

• Noggle and Schirmer, "The Nuclear Overhauser Effect", Academic Press, New York (1971).
• Solomon, Phys. Rev..99, 559-565 (1955).
• Macura et al., J. Magn. Reson.,.43, 259-281 (1981).
• Sudmeier et. al. Concepts in Magnetic Resonance, 2 197-212 (1990).
• S. Macura, W. M. Westler, and J. L. Markley, "Two-Dimensional Exchange Spectroscopy of Proteins," Methods Enzymol. 239 106-144 (1994).

Coupling constants

• V. F. Bystrov, Prog. NMR Spect.. 13, 41-80 (1976).