This is a linear list of information in Table 1 in the Explanation page, listing the IGBP types and the source of the associated spectral curve.

Table 1 and Table 2:

IGBP Type: 1 Evergreen Needleleaf Forest, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 2 Evergreen Broadleaf Forest, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 3 Deciduous Needleleaf Forest, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 4 Deciduous Broadleaf Forest, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 5 Mixed Deciduous Forest, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 6 Closed Shrubland, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 7 Open Shrubland, Spectral Curve Source: Pinker & Karnieli (1995)
IGBP Type: 8 Woody Savanna, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 9 Savanna, Spectral Curve Source: CARE Experiment (1998)
IGBP Type: 10 Grassland, Spectral Curve Source: CARE Experiment (1998)
IGBP Type: 11 Permenant Wetland, Spectral Curve: Briegleb & Ramanathan (1982)
IGBP Type: 12 Cropland, Spectral Curve Source: CARE Experiment (1998)
IGBP Type: 13 Urban, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 14 Crop/Natural Veg. Mosaic, Spectral Curve Source: Briegleb et al. (1985)
IGBP Type: 15 Permanent Snow/Ice, Spectral Curve Source: Grenfell et al. (1984)
IGBP Type: 16 Barren/Desert, Spectral Curve Source: Pinker & Karnieli (1995)
IGBP Type: 17 Water Bodies, Spectral Curve Source: Bowker et al.(1985), Payne (1972) 
CERES Type: 18 Tundra, Spectral Curve Source: Briegleb et al. (1985)
CERES Type: 19 Fresh Snow, Spectral Curve Source: Bowker et al. (1985)
CERES Type: 20 Sea Ice, Spectral Curve Source: Briegleb and Ramanathan. (1982)