Protein structure determination by NMR spectroscopy - Nobel lecture by Prof. Wuthrich, a pioneer in protein structure determination by NMR spectroscopy. Extensions of solution NMR spectroscopic methods for study of large molecules. - http://nobelprize.org/chemistry/laureates/2002/wutrich-lecture.pdf
Chemistry 781 - a complete course of NMR theory, with assignment theory and techniques for assignments discussed, with examples. - http://hal.chem.uwm.edu/nmr/chem781/
Chemistry 5331 - Another full course of NMR theory , advanced and basic. Mainly for structure elucidation. - http://chemnmr.colorado.edu/class/
Nuclear Magnetic Resonance - A very simple and very good guide to interpretation of proton spectra. Very Useful for one and all. - http://www.chemguide.co.uk/analysis/nmrmenu.html#top