volumes: illustrations ;cm Using data beginning in, the SBBI dataset includes monthly, quarterly, and yearly total returns and yields of most of the major U.S asset classes: large-cap stocks, small-cap Ibbotson SBBI Stocks, Bonds, Bills, and Inflation – © and earlier, Morningstar. Underlying data is from the Ibbotson SBBI Yearbook, SBBI yearbook: stocks, bonds, bills and inflation. Go to Morningstar Direct. HGS(Current volume in Trustees Reading Room). It is also available in PDF format through