"International table of glycemic index and glycemic load
The above publication is probably the definitive study for those interested in designing their food intake so as to minimize the risks of developing Hypoglycaemia following a Dumping episode.
Although less well-known the Glycaemic Load (GL) is more useful since it takes into account portion size.
It is worth remembering that a large helping of a low GI food will have exactly the same consequences as a small helping of an high GI foodstuff - it is the total available 'glucose generator' which counts.
Unfortunately it is too large and complex to reproduce here, but it can be viewed at and downloaded from this URI :-