You might find this chart helpful:
It's useful as a starting point but it's important to remember that warm and cool are all relative - a color may be either warm or cool in relation to the colors around it - it isn't a firm unchanging characteristic.
For general use beyond just Gamblin paints, the chart has a flaw in that it doesn't list pigment numbers, making it a little difficult to make comparisons with paint colors in other brands. Although some paints, such as the cadmiums for instance, will be of the same pigment numbers across all brands, for some, such as indian yellow or most of the "Permanent" colors, for instance, the pigment used will vary with the manufacturer. But that said, it still is a good starting point.