There are 6 funds for Vanguard:
Vanguard Value Index
Vanguard Small-Cap Index
Varguard Small-Cap Value Index
Varguard REIT Index
Varguard International Value
Vanguard Emerging Markets Stock Index
With the growth over years for all these funds, you have to pay the tax upon distribution. However, if you consider other method of investment, you would get tax free with all the growth over the years upon distribution.